Obs/bin/ObsDep/content/Powershell/Roles/Common/HostDscBootstrapConfig.psm1

<###################################################
 # #
 # Copyright (c) Microsoft. All rights reserved. #
 # #
 ##################################################>


Import-Module $PSScriptRoot\..\..\Common\NetworkHelpers.psm1 -DisableNameChecking -Verbose:$false | Out-Null

Configuration NewComputeBootstrapDscConfiguration
{
    Param
    (
        [Parameter(Mandatory = $true)]
        [CloudEngine.Configurations.EceInterfaceParameters]
        $Parameters,

        [System.String]
        $PsDscClient = 'localhost',

        [Parameter(Mandatory=$false)]
        [boolean]
        $EnableDataCenterBridging = $true,

        [Parameter(Mandatory=$true)]
        [hashtable]
        $NicBindingCriteria,

        [Parameter(Mandatory=$false)]
        [string]
        $IDNSProxyForwarders,

        [Parameter(Mandatory=$true)]
        [UInt64]
        $MinimumDiskBytes,

        [Parameter(Mandatory=$false)]
        [boolean]
        $DisableRemoteDesktop = $false
    )

    Import-DscResource -ModuleName PSDesiredStateConfiguration
    Import-DscResource -ModuleName DSC.ProcessorPowerManagement
    Import-DscResource -ModuleName PDT.DSC.Networking
    Import-DscResource -ModuleName PDT.DSC.HyperV
    Import-DscResource -ModuleName PDT.DSC.Service
    Import-DscResource -ModuleName PDT.DSC.Utilities
    Import-DscResource -ModuleName PDT_MigrationProtocol
    Import-DscResource -ModuleName AS.Group
    Import-DscResource -ModuleName AS.DumpOnLargeHost
    Import-DscResource -ModuleName AS.WmiConfiguration

    Node $PsDscClient
    {
        # Workaround for the physical environment in the lab where WinRM has to be allowed on hosts at pre-deploy stage
        Log ASZHostDSCSkip
        {
            # DependsOn = '[PDTNetFirewallGroup]WinRM'
            Message = 'ASZ Host DSC Skipped'
        }

        <#
 
        # Enable the DSC Analytic log to capture verbose output of the configuration during bootstrap
        PDTEventLog 'DSCAnalytic'
        {
            LogName = 'Microsoft-Windows-DSC/Analytic'
            IsEnabled = $true
            MaximumSizeInBytes = [int]5Mb
        }
 
        # Allow Link Local Multicast Name Resolution through the
        # firewall, as lanmanserver needs it.
        PDTNetFirewallRule 'FPS-LLMNR-In-UDP'
        {
            Name = 'FPS-LLMNR-In-UDP'
        }
 
        #As part of the host hardening, we'll disable the following FW rules group
        PDTNetFirewallGroup 'AllJoyn Router'
        {
            Ensure = 'Absent'
            Name = 'AllJoyn Router'
        }
 
        PDTNetFirewallGroup 'mDNS'
        {
            Ensure = 'Absent'
            Name = 'mDNS'
        }
 
        #subset of CoreNet rules to be disabled
        PDTNetFirewallRule 'CoreNet-DHCPV6-In'
        {
            Ensure = 'Absent'
            Name = 'CoreNet-DHCPV6-In'
        }
 
        PDTNetFirewallRule 'CoreNet-Teredo-In'
        {
            Ensure = 'Absent'
            Name = 'CoreNet-Teredo-In'
        }
 
        PDTNetFirewallRule 'CoreNet-Teredo-Out'
        {
            Ensure = 'Absent'
            Name = 'CoreNet-Teredo-Out'
        }
 
        if ($DisableRemoteDesktop)
        {
            PDTNetFirewallGroup 'Remote Desktop Group'
            {
                Ensure = 'Absent'
                Name = 'Remote Desktop'
            }
        }
 
        # disable negative DNS cache
        # if a DNS query results in a negative response because the DNS server does not
        # have a record, by default the negative response is cached for 15 minutes
        # this disables the negative cache so the DNS client will be able to attempt
        # to resolve again - this will improve parallel steps where one step is expecting
        # another step to have created something in DNS
        Registry 'MaxNegativeCacheTtl'
        {
            Key = 'HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters'
            ValueName = 'MaxNegativeCacheTtl'
            ValueType = 'Dword'
            ValueData = '0'
        }
 
        # Setting Host/Infra identification for telemetry
        Registry 'VMType'
        {
            Key = 'HKLM:\SOFTWARE\Microsoft\Windows Azure'
            ValueName = 'VMType'
            ValueType = 'String'
            ValueData = 'AS-HOST'
        }
 
        # Wait for lanmanserver (SMB) to be fully available. Waiting
        # on this guarantees that a set of kernel- and user-mode services
        # are runnning and ready for use.
        PDTService lanmanserver
        {
            Name = 'lanmanserver'
            StartupType = 'Automatic'
            State = 'Running'
            Type = 'default'
        }
 
        # Turn off deep power management states that reduce compute benchmark
        # performance.
        ProcessorPowerManagement C1Only
        {
            ComputerName = 'localhost'
            PowerScheme = '8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c'
            DeepestCState = 1
        }
 
        # Enable dump on hosts that have a physical disk large enough to
        # handle the extra space needed. This will need a reboot to take
        # effect after initial deployment. Update will automatically add
        # this key on supported systems at image creation.
        ASDumpOnLargeHost DumpSettings
        {
            DependsOn = "[File]LiveKernelReportPathDirectoryCreation"
            Name = 'Dump Settings Dependent on Large Host'
            MinimumDiskBytes = $MinimumDiskBytes
        }
 
        # Ensure the LiveKernelReportsPath is created
        File LiveKernelReportPathDirectoryCreation
        {
            Type = 'Directory'
            DestinationPath = 'D:\AzureStack\LiveKernelReports'
            Ensure = "Present"
        }
 
        # Deploying a one-node host using an action plan involves setting
        # up that host without creating any virtual switches. This
        # DSC generation script will be handed a configuration which
        # has no switches and no vNICs. When setting anything else up,
        # there will be at least one external switch.
        if ($Node.ExternalSwitchNames.Count -ne 0)
        {
            if ($EnableDataCenterBridging)
            {
                PDTNetQosDcbxSetting 'Willing'
                {
                    DependsOn = '[PDTService]lanmanserver'
                    InterfaceAlias = 'Global'
                    Willing = $false
                }
 
                # These next five ensure that SMB traffic and cluster heartbeat gets treated
                # with great respect by the switches. If you starve
                # storage and miss cluster heartbeat, the entire stamp can fall apart.
                PDTNetQosPolicyNetDirectPort 'SMBDirect'
                {
                    DependsOn = '[PDTNetQosDcbxSetting]Willing'
                    Name = 'SMBDirect'
                    NetDirectPort = 445
                    PriorityValue8021Action = $Node.NetQosPriority
                }
 
                PDTNetQosPolicyNetCluster 'Cluster'
                {
                    DependsOn = '[PDTNetQosDcbxSetting]Willing'
                    Name = 'Cluster'
                    PriorityValue8021Action = 5
                }
 
                PDTNetQosPolicyDefault 'Default'
                {
                    DependsOn = '[PDTNetQosDcbxSetting]Willing'
                    Name = 'Default'
                    PriorityValue8021Action = 0
                }
 
                PDTNetQosFlowControl 'FlowControl'
                {
                    DependsOn = '[PDTNetQosPolicyNetDirectPort]SMBDirect'
                    ComputerName = 'localhost'
                    Priority = $Node.NetQosPriority
                }
 
                PDTNetQosTrafficClass 'SMBDirect'
                {
                    DependsOn = @('[PDTNetQosPolicyNetDirectPort]SMBDirect','[PDTNetQosFlowControl]FlowControl')
                    Name = 'SMBDirect'
                    Algorithm = 'ETS'
                    Priority = $Node.NetQosPriority
                    BandwidthPercentage = 50
                }
 
                PDTNetQosTrafficClass 'Cluster'
                {
                    DependsOn = @('[PDTNetQosPolicyNetCluster]Cluster','[PDTNetQosFlowControl]FlowControl')
                    Name = 'Cluster'
                    Algorithm = 'ETS'
                    Priority = 5
                    BandwidthPercentage = 2
                }
 
                # This setting reserves space in Ethernet frames for network
                # virtualization metadata.
                PDTNetAdapterAdvancedProperty 'EncapOverhead'
                {
                    DependsOn = '[PDTNetQosTrafficClass]SMBDirect'
                    NetAdapterCriteriaType = 'Speed'
                    NetAdapterCriteriaValue = '10000000000'
                    RegistryKeyword = '*EncapOverhead'
                    RegistryValue = 160
                }
 
                # skip if it is virtual AzureStack
                $OEMRole = $Parameters.Roles["OEM"].PublicConfiguration
                $OEMModel = $OEMRole.PublicInfo.UpdatePackageManifest.UpdateInfo.Model
                if ($OEMModel -notmatch "Hyper-V")
                {
                    PDTNetAdapterAdvancedProperty 'VirtualSwitchRSS'
                    {
                        DependsOn = '[PDTNetAdapterAdvancedProperty]EncapOverhead'
                        NetAdapterCriteriaType = 'Speed'
                        NetAdapterCriteriaValue = '10000000000'
                        RegistryKeyword = '*RssOnHostVPorts'
                        RegistryValue = 1
                    }
 
                    PDTNetAdapterAdvancedProperty 'DcbxMode'
                    {
                        DependsOn = '[PDTNetAdapterAdvancedProperty]EncapOverhead'
                        NetAdapterCriteriaType = 'Speed'
                        NetAdapterCriteriaValue = '10000000000'
                        RegistryKeyword = 'DcbxMode'
                        RegistryValue = 0
                    }
                }
 
                # Turn on Quality of Service.
                PDTNetAdapterQos 'Qos'
                {
                    DependsOn = '[PDTNetAdapterAdvancedProperty]EncapOverhead'
                    NetAdapterCriteriaType = 'Speed'
                    NetAdapterCriteriaValue = '10000000000'
                }
            }
 
            # Configure VFP Proxy settings
            Write-Verbose "Configure VFP Proxy settings on NCHostAgent" -Verbose
            $gatewayEndpoint = $Parameters.Roles["FabricRingServices"].PublicConfiguration.PublicInfo.RPCommonProperties.ServiceUri
            $gatewayUriBuilder = New-Object -TypeName System.UriBuilder -ArgumentList $gatewayEndpoint
            $gatewayPort = $gatewayUriBuilder.Port
            $gatewayUri = $gatewayUriBuilder.Uri.DnsSafeHost
 
            # VFP forwards to Gateway, use the Gateway port value for the services
            $imdsServiceAddress = '127.0.0.1'
            $garServiceAddress = $gatewayUri
            $wireServerServiceAddress = '127.0.0.1'
            $hostGAPluginServiceAddress = '127.0.0.1'
            $imdsServicePort = 80
            $garServicePort = $gatewayPort
            $wireServerServicePort = 80
            $hostGAPluginServicePort = 32526
 
 
            # Proxy port values
            $imdsProxyPort = 15021
            $garProxyPort = 15022
            $wireServerProxyPort = 15023
            $hostGAPluginProxyPort = 15025
 
            Write-Verbose "Making IMDS proxied service registry change for MCNP proxy"
 
            Registry 'Instance_Metadata_Service_Server_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'ServerAddress'
                ValueData = $imdsServiceAddress
            }
 
            Registry 'Instance_Metadata_Service_Server_Name'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'ServiceName'
                ValueData = 'IMDS'
            }
 
            Registry 'Instance_Metadata_Service_Server_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'ServerPort'
                ValueType = 'Dword'
                ValueData = $imdsServicePort
            }
 
            Registry 'Instance_Metadata_Service_Proxy_Listening_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'ProxyListeningPort'
                ValueType = 'Dword'
                ValueData = $imdsProxyPort
            }
 
            Registry 'Instance_Metadata_Service_Proxy_Listening_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'ProxyListeningAddress'
                ValueData = '0.0.0.0'
            }
 
            Registry 'Instance_Metadata_Service_Proxy_Protocol'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'ProxyProtocol'
                ValueData = 'Http'
            }
 
            Registry 'Instance_Metadata_Service_Enable_Client_Auth'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\c79d8d8d-bbb4-42ea-8a8f-a492efc40a94'
                ValueName = 'EnableClientAuth'
                ValueType = 'Dword'
                ValueData = 0
            }
 
            Write-Verbose "Making GAR proxied service registry change for MCNP proxy"
 
            Registry 'GAR_Service_Server_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'ServerAddress'
                ValueData = $garServiceAddress
            }
 
            Registry 'GAR_Service_Server_Name'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'ServiceName'
                ValueData = 'gar'
            }
 
            Registry 'GAR_Service_Server_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'ServerPort'
                ValueType = 'Dword'
                ValueData = $garServicePort
            }
 
            Registry 'GAR_Service_Proxy_Listening_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'ProxyListeningPort'
                ValueType = 'Dword'
                ValueData = $garProxyPort
            }
 
            Registry 'GAR_Service_Proxy_Listening_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'ProxyListeningAddress'
                ValueData = '0.0.0.0'
            }
 
            Registry 'GAR_Service_Proxy_Protocol'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'ProxyProtocol'
                ValueData = 'HttpsNoTranslation'
            }
 
            Registry 'GAR_Service_Enable_Client_Auth'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\8585dd52-1752-4e61-9d8d-5a32dca4de14'
                ValueName = 'EnableClientAuth'
                ValueType = 'Dword'
                ValueData = 1
            }
 
            Write-Verbose "Making WireServer proxied service registry change for MCNP proxy"
 
            Registry 'WireServer_Service_Server_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'ServerAddress'
                ValueData = $wireServerServiceAddress
            }
 
            Registry 'WireServer_Service_Server_Name'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'ServiceName'
                ValueData = 'WireServer'
            }
 
            Registry 'WireServer_Service_Server_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'ServerPort'
                ValueType = 'Dword'
                ValueData = $wireServerServicePort
            }
 
            Registry 'WireServer_Service_Proxy_Listening_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'ProxyListeningPort'
                ValueType = 'Dword'
                ValueData = $wireServerProxyPort
            }
 
            Registry 'WireServer_Service_Proxy_Listening_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'ProxyListeningAddress'
                ValueData = '0.0.0.0'
            }
 
            Registry 'WireServer_Service_Proxy_Protocol'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'ProxyProtocol'
                ValueData = 'Http'
            }
 
            Registry 'WireServer_Service_Enable_Client_Auth'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\b2eae9af-ad33-49cc-a831-20df5ad39159'
                ValueName = 'EnableClientAuth'
                ValueType = 'Dword'
                ValueData = 0
            }
 
            Write-Verbose "Making HostGAPlugin proxied service registry change for MCNP proxy"
 
            Registry 'HostGAPlugin_Service_Server_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'ServerAddress'
                ValueData = $hostGAPluginServiceAddress
            }
 
            Registry 'HostGAPlugin_Service_Server_Name'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'ServiceName'
                ValueData = 'HostGAPlugin'
            }
 
            Registry 'HostGAPlugin_Service_Server_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'ServerPort'
                ValueType = 'Dword'
                ValueData = $hostGaPluginServicePort
            }
 
            Registry 'HostGAPlugin_Service_Proxy_Listening_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'ProxyListeningPort'
                ValueType = 'Dword'
                ValueData = $hostGAPluginProxyPort
            }
 
            Registry 'HostGAPlugin_Service_Proxy_Listening_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'ProxyListeningAddress'
                ValueData = '0.0.0.0'
            }
 
            Registry 'HostGAPlugin_Service_Proxy_Protocol'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'ProxyProtocol'
                ValueData = 'Http'
            }
 
            Registry 'HostGAPlugin_Service_Enable_Client_Auth'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\ProxiedServices\f632621f-26cf-464e-9a02-1c66ff499b2b'
                ValueName = 'EnableClientAuth'
                ValueType = 'Dword'
                ValueData = 0
            }
 
            Write-Verbose "Making IMDS infra services registry change for MCNP proxy"
 
            Registry 'Instance_Metadata_Service_Infra_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service1'
                ValueName = 'Port'
                ValueType = 'Dword'
                ValueData = $imdsServicePort
            }
            Registry 'Instance_Metadata_Service_Infra_Proxy_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service1'
                ValueName = 'ProxyPort'
                ValueType = 'Dword'
                ValueData = $imdsProxyPort
            }
 
            Registry 'Instance_Metadata_Service_Infra_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service1'
                ValueName = 'IP'
                ValueData = '169.254.169.254'
            }
 
            Registry 'Instance_Metadata_Service_Infra_MAC_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service1'
                ValueName = 'MAC'
                ValueData = '22-22-22-22-22-22'
            }
 
            Write-Verbose "Making GAR infra services registry change for MCNP proxy"
 
            Registry 'GAR_Service_Infra_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service2'
                ValueName = 'Port'
                ValueType = 'Dword'
                ValueData = 81
            }
 
            Registry 'GAR_Service_Infra_Proxy_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service2'
                ValueName = 'ProxyPort'
                ValueType = 'Dword'
                ValueData = $garProxyPort
            }
 
            Registry 'GAR_Service_Infra_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service2'
                ValueName = 'IP'
                ValueData = '169.254.169.254'
            }
 
            Registry 'GAR_Service_Infra_MAC_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\Service2'
                ValueName = 'MAC'
                ValueData = '22-22-22-22-22-22'
            }
 
            Write-Verbose "Making WireServer infra services registry change for MCNP proxy"
 
            Registry 'WireServer_Service_Infra_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\WireServer'
                ValueName = 'Port'
                ValueType = 'Dword'
                ValueData = 80
            }
 
            Registry 'WireServer_Service_Infra_Proxy_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\WireServer'
                ValueName = 'ProxyPort'
                ValueType = 'Dword'
                ValueData = $wireServerProxyPort
            }
 
            Registry 'WireServer_Service_Infra_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\WireServer'
                ValueName = 'IP'
                ValueData = '168.63.129.16'
            }
 
            Registry 'WireServer_Service_Infra_MAC_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\WireServer'
                ValueName = 'MAC'
                ValueData = '22-22-22-22-22-22'
            }
 
            Write-Verbose "Making HostGAPlugin infra services registry change for MCNP proxy"
 
            Registry 'HostGAPlugin_Service_Infra_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\HostGAPlugin'
                ValueName = 'Port'
                ValueType = 'Dword'
                ValueData = $hostGAPluginServicePort
            }
 
            Registry 'HostGAPlugin_Service_Infra_Proxy_Port'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\HostGAPlugin'
                ValueName = 'ProxyPort'
                ValueType = 'Dword'
                ValueData = $hostGAPluginProxyPort
            }
 
            Registry 'HostGAPlugin_Service_Infra_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\HostGAPlugin'
                ValueName = 'IP'
                ValueData = '168.63.129.16'
            }
 
            Registry 'HostGAPlugin_Service_Infra_MAC_Address'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\HostGAPlugin'
                ValueName = 'MAC'
                ValueData = '22-22-22-22-22-22'
            }
 
            # Enabling Windows Error Reporting to create user mode dumps on Host
            Registry 'Host_Application_LocalDump_DumpType'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps'
                ValueName = 'DumpType'
                ValueType = 'Dword'
                ValueData = 1
            }
 
            Registry 'Host_Application_LocalDump_DumpFolder'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps'
                ValueName = 'DumpFolder'
                ValueType = 'ExpandString'
                ValueData = 'D:\AzureStack\CrashDumps'
            }
 
            Registry 'Host_Application_LocalDump_DumpCount'
            {
                Ensure = 'Present'
                Key = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps'
                ValueName = 'DumpCount'
                ValueType = 'Dword'
                ValueData = 1
            }
 
            # Disable SMB1 in registry, so that Get-SmbServerConfiguration won't report it as active
            Registry 'SMB1'
            {
                Key = 'HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters'
                ValueName = 'SMB1'
                ValueType = 'DWORD'
                ValueData = '0'
            }
 
            Registry 'RefsScrubNoOplock'
            {
                Key = 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem'
                ValueName = 'RefsScrubNoOplock'
                ValueType = 'DWORD'
                ValueData = '1'
            }
 
            Registry 'VSwitchDHCP_LeaseDuration'
            {
                Ensure = "Present"
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NcHostAgent\Parameters\Plugins\VSwitch\DHCPResponder'
                ValueName = 'LeaseTime'
                ValueType = 'DWORD'
                ValueData = '0xFFFFFFFF'
                Force = $true
                Hex = $true
            }
 
            Registry 'VSwitchDHCP_Broadcast'
            {
                Ensure = "Present"
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NcHostAgent\Parameters\Plugins\VSwitch\DHCPResponder'
                ValueName = 'IPv4Broadcast'
                ValueType = 'DWORD'
                ValueData = '1'
                Force = $true
            }
 
            Registry 'VSwitchDHCP_Option245WireServer'
            {
                Ensure = "Present"
                Key = 'HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\NcHostAgent\Parameters\Plugins\VSwitch\DHCPResponder'
                ValueName = 'Option245WireServer'
                ValueType = 'String'
                ValueData = '168.63.129.16'
                Force = $true
            }
 
            # Win2021 will have these values by default
             # Revert back when Win2021 is released with Azure Stack
             Registry 'Host_PtNicDropLowResourcesPackets'
             {
                Key = 'HKLM:\SYSTEM\CurrentControlSet\Services\VmSmp\Parameters'
                ValueName = 'PtNicDropLowResourcesPackets'
                ValueType = 'DWORD'
                ValueData = '1'
             }
 
             Registry 'Host_MaxVrssQueueAllocatedMBytes'
             {
                Key = 'HKLM:\SYSTEM\CurrentControlSet\Services\VmSmp\Parameters'
                ValueName = 'MaxVrssQueueAllocatedMBytes'
                ValueType = 'DWORD'
                ValueData = '16'
             }
 
            # Set the NCHostAgent service to start automatically and
            # run in its own process.
            PDTService 'NCHostAgent'
            {
                Name = 'NCHostAgent'
                StartupType = 'Automatic'
                State = 'Running'
                Type = 'own'
                DependsOn = `
                        @(
                            '[Registry]Instance_Metadata_Service_Server_Address'
                            '[Registry]Instance_Metadata_Service_Server_Name'
                            '[Registry]Instance_Metadata_Service_Server_Port'
                            '[Registry]Instance_Metadata_Service_Proxy_Listening_Port'
                            '[Registry]Instance_Metadata_Service_Proxy_Listening_Address'
                            '[Registry]Instance_Metadata_Service_Proxy_Protocol'
                            '[Registry]Instance_Metadata_Service_Enable_Client_Auth'
                            '[Registry]GAR_Service_Server_Address'
                            '[Registry]GAR_Service_Server_Name'
                            '[Registry]GAR_Service_Server_Port'
                            '[Registry]GAR_Service_Proxy_Listening_Port'
                            '[Registry]GAR_Service_Proxy_Listening_Address'
                            '[Registry]GAR_Service_Proxy_Protocol'
                            '[Registry]GAR_Service_Enable_Client_Auth'
                            '[Registry]WireServer_Service_Server_Address'
                            '[Registry]WireServer_Service_Server_Name'
                            '[Registry]WireServer_Service_Server_Port'
                            '[Registry]WireServer_Service_Proxy_Listening_Port'
                            '[Registry]WireServer_Service_Proxy_Listening_Address'
                            '[Registry]WireServer_Service_Proxy_Protocol'
                            '[Registry]WireServer_Service_Enable_Client_Auth'
                            '[Registry]HostGAPlugin_Service_Server_Address'
                            '[Registry]HostGAPlugin_Service_Server_Name'
                            '[Registry]HostGAPlugin_Service_Server_Port'
                            '[Registry]HostGAPlugin_Service_Proxy_Listening_Port'
                            '[Registry]HostGAPlugin_Service_Proxy_Listening_Address'
                            '[Registry]HostGAPlugin_Service_Proxy_Protocol'
                            '[Registry]HostGAPlugin_Service_Enable_Client_Auth'
                            '[Registry]Instance_Metadata_Service_Infra_Port'
                            '[Registry]Instance_Metadata_Service_Infra_Proxy_Port'
                            '[Registry]Instance_Metadata_Service_Infra_Address'
                            '[Registry]Instance_Metadata_Service_Infra_MAC_Address'
                            '[Registry]GAR_Service_Infra_Port'
                            '[Registry]GAR_Service_Infra_Proxy_Port'
                            '[Registry]GAR_Service_Infra_Address'
                            '[Registry]GAR_Service_Infra_MAC_Address'
                            '[Registry]WireServer_Service_Infra_Port'
                            '[Registry]WireServer_Service_Infra_Proxy_Port'
                            '[Registry]WireServer_Service_Infra_Address'
                            '[Registry]WireServer_Service_Infra_MAC_Address'
                            '[Registry]HostGAPlugin_Service_Infra_Port'
                            '[Registry]HostGAPlugin_Service_Infra_Proxy_Port'
                            '[Registry]HostGAPlugin_Service_Infra_Address'
                            '[Registry]HostGAPlugin_Service_Infra_MAC_Address'
                            '[Registry]VSwitchDHCP_LeaseDuration'
                            '[Registry]VSwitchDHCP_Broadcast'
                            '[Registry]VSwitchDHCP_Option245WireServer'
                        )
            }
 
            # DNS forwarders
            Registry 'DNSProxy_Forwarders'
            {
                Ensure = "Present"
                Key = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNSProxy\Parameters"
                ValueName = "Forwarders"
                ValueData = $IDNSProxyForwarders
            }
 
            # Start DnsProxy service and make it automatic
            Write-Verbose "Start DnsProxy service and make it automatic" -Verbose
            PDTService 'DnsProxy'
            {
                Name = 'DnsProxy'
                StartupType = 'Automatic'
                State = 'Running'
                Type = 'own'
                SkipIfNotFound = $true # This service is in RS1 but not in RS5, so set this to true to skip configuration on RS5.
                DependsOn = @('[PDTService]NCHostAgent',
                                '[Registry]DNSProxy_Forwarders')
            }
 
            # DNS Proxy Service - Port and ProxyPort
            $idnsPort = 53
 
            # DNS Proxy service port
            Registry 'DNSProxyService_Port'
            {
                Ensure = "Present"
                Key = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\DnsProxyService"
                ValueName = "Port"
                ValueType = "Dword"
                ValueData = $idnsPort
                DependsOn = '[PDTService]NCHostAgent'
            }
 
            # DNS Proxy service proxy port
            Registry 'DNSProxyService_ProxyPort'
            {
                Ensure = "Present"
                Key = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\DnsProxyService"
                ValueName = "ProxyPort"
                ValueType = "Dword"
                ValueData = $idnsPort
                DependsOn = '[PDTService]NCHostAgent'
            }
 
            # DNS IP Address
            $cloudRole = $Parameters.Roles["Cloud"].PublicConfiguration
            $dnsIPAddress = $cloudRole.PublicInfo.NetworkConfiguration.iDNS.Endpoint
            # If the value is not defined, assign it a predefined value
            if (-not $dnsIPAddress)
            {
                $dnsIPAddress = "168.63.129.16"
            }
 
            # DNS Proxy service IP Address
            Registry 'DNSProxyService_IP'
            {
                Ensure = "Present"
                Key = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\DnsProxyService"
                ValueName = "IP"
                ValueData = $dnsIPAddress
                DependsOn = '[PDTService]NCHostAgent'
            }
 
            # DNS Proxy service MAC
            $dnsProxyServiceMAC = "22-22-22-22-22-22" #A random mac address used to redirect the dns traffic, applied through vfp rules. These rules are created by the NCHostagent on reading the registry.
            Registry 'DNSProxyService_MAC'
            {
                Ensure = "Present"
                Key = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NcHostAgent\Parameters\Plugins\Vnet\InfraServices\DnsProxyService"
                ValueName = "MAC"
                ValueData = $dnsProxyServiceMAC
                DependsOn = '[PDTService]NCHostAgent'
            }
 
            # Comment out this config for now. This firewall group is basically the same as the 4 firewall rules below combined.
            # Once switching to RS5, the 4 firewall rules should be removed and use this firewall group instead.
 
            # PDTNetFirewallGroup 'DNS Proxy Firewall'
            # {
            # Ensure = 'Present'
            # Name = 'DNS Proxy Firewall'
            # }
 
            # Enable some firewall rules needed by DNSProxy service
            PDTNetFirewallRule 'DnsProxy-TCP-In'
            {
                Name = 'DnsProxy-TCP-In'
            }
 
            PDTNetFirewallRule 'DnsProxy-UDP-In'
            {
                Name = 'DnsProxy-UDP-In'
            }
 
            PDTNetFirewallRule 'DnsProxy-TCP-Out'
            {
                Name = 'DnsProxy-TCP-Out'
            }
 
            PDTNetFirewallRule 'DnsProxy-UDP-Out'
            {
                Name = 'DnsProxy-UDP-Out'
            }
 
            # Wait for the Virtual Machine Management Service (VMMS) to start
            # before calling into it to create virtual switches.
            PDTService VMMS
            {
                Name = 'VMMS'
                StartupType = 'Automatic'
                State = 'Running'
                Type = 'default'
            }
 
            # Specify that VM live migrations should be performed using the SMB
            # protocol. Live migration configuration is only relevant for multi-node configurations.
            $physicalNodes = $Parameters.Roles["BareMetal"].PublicConfiguration.Nodes.Node
            if ($physicalNodes.Count -gt 1)
            {
                PDT_MigrationProtocol SMB
                {
                    DependsOn = '[PDTService]VMMS'
                    ComputerName = 'localhost'
                    Protocol = 'SMB'
                    MaximumLiveMigrations = 1
                    SmbLiveMigrationBandwidthBytesPerSecond = 750MB
                }
            }
 
            # This gets filled in with all the things that should be in their
            # desired state before the PDTNetIPv6 (below) is configured. Specifically,
            # the switches should be built, the switch extensions should be installed
            # and the vNICs should be built.
            $IPv6Dependencies = @()
 
            # Build all the internal and external switches that the Cloud Definition
            # calls for. Install the Azure Switch extension on exactly one switch.
            # If there are internal switches, pick that one.
            $extensionOnExternalSwitch = $true
            foreach ($switchName in $Node.InternalSwitchNames)
            {
                # Internal switches bind to no NICs.
                PDTVMSwitch $switchName
                {
                    DependsOn = '[PDTService]VMMS'
                    SwitchType = 'Private'
                    Name = $switchName
                }
 
                # Disable the wfp switch extension as it is not required for software
                # defined networking
                $wfpSwitchExtensionRuleName = "WFP-$switchName"
                PDTVMSwitchExtension $wfpSwitchExtensionRuleName
                {
                    DependsOn = "[PDTVMSwitch]$switchName"
                    Name = 'Microsoft Windows Filtering Platform'
                    VMSwitchName = $switchName
                    Ensure = "Absent"
                }
 
                # Add the switch extension that allows Software Defined Networking
                # in Azure environments.
                $vfpSwitchExtensionRuleName = "VFP-$switchName"
                PDTVMSwitchExtension $vfpSwitchExtensionRuleName
                {
                    DependsOn = "[PDTVMSwitch]$switchName"
                    Name = 'Microsoft Azure VFP Switch Extension'
                    VMSwitchName = $switchName
                }
 
                # Record these as something that IPv6 will depend on.
                $IPv6Dependencies += "[PDTVMSwitchExtension]$wfpSwitchExtensionRuleName"
                $IPv6Dependencies += "[PDTVMSwitchExtension]$vfpSwitchExtensionRuleName"
 
                $extensionOnExternalSwitch = $false
            }
 
            # VMSwitch ID must remain the same across host reimages (in P&U case), so MD5 hash of the host name
            # (which is not changed across host reimages) is used as GUID for the VMSwitch ID.
            $encoding = New-Object System.Text.UnicodeEncoding
            $hostNameBytes = $encoding.GetBytes($Node.NodeName.ToLower())
            $memstream = New-Object System.IO.MemoryStream -ArgumentList @(100)
            try {
                $memstream.Write($hostNameBytes, 0, $hostNameBytes.Count)
                $memstream.Seek(0, [System.IO.SeekOrigin]::Begin)
                $hash = Get-FileHash -InputStream $memstream -Algorithm MD5
                $vmswitchId = [Guid]::Parse($hash.Hash)
            }
            finally {
                if($memstream -ne $null)
                {
                    $memstream.Close()
                }
            }
 
            $UnboundNICDependencies = @()
            foreach ($switchName in $Node.ExternalSwitchNames)
            {
                # Bind external switches to all NICs that go fast (at least 10Gb.)
                switch ($NicBindingCriteria.NetAdapterCriteriaType)
                {
                'Speed'
                    {
                        PDTVMSwitch $switchName
                        {
                            DependsOn = '[PDTService]VMMS'
                            Name = $switchName
                            SwitchType = 'External'
                            NetAdapterCriteriaType = 'Speed'
                            NetAdapterCriteriaValue = $NicBindingCriteria.NetAdapterCriteriaValue
                        }
                    }
                'AdvancedProperty'
                    {
                        PDTVMSwitch $switchName
                        {
                            DependsOn = '[PDTService]VMMS'
                            Name = $switchName
                            Id = $vmswitchId
                            SwitchType = 'External'
                            NetAdapterCriteriaType = 'AdvancedProperty'
                            NetAdapterCriteriaValue = $NicBindingCriteria.NetAdapterCriteriaValue
                            LoadBalancingAlgorithm = 'HyperVPort'
                        }
                    }
                default
                    {
                        throw "Unhandled switch binding criteria $($NicBindingCriteria.NetAdapterCriteriaType)"
                    }
                }
 
                # Record this as something that the unbound NICs rule depends on.
                $UnboundNICDependencies += "[PDTVMSwitch]$switchName"
 
                if ($extensionOnExternalSwitch)
                {
                    # Disable the wfp switch extension as it is not required for software
                    # defined networking
                    $wfpSwitchExtensionRuleName = "WFP-$switchName"
                    PDTVMSwitchExtension $wfpSwitchExtensionRuleName
                    {
                        DependsOn = "[PDTVMSwitch]$switchName"
                        Name = 'Microsoft Windows Filtering Platform'
                        VMSwitchName = $switchName
                        Ensure = "Absent"
                    }
 
                    # Add the switch extension that allows Software Defined Networking
                    # in Azure environments.
                    $vfpSwitchExtensionRuleName = "VFP-$switchName"
                    PDTVMSwitchExtension $vfpSwitchExtensionRuleName
                    {
                        DependsOn = "[PDTVMSwitch]$switchName"
                        Name = 'Microsoft Azure VFP Switch Extension'
                        VMSwitchName = $switchName
                    }
 
                    # Record these as something that IPv6 will depend on.
                    $IPv6Dependencies += "[PDTVMSwitchExtension]$wfpSwitchExtensionRuleName"
                    $IPv6Dependencies += "[PDTVMSwitchExtension]$vfpSwitchExtensionRuleName"
                }
                else
                {
                    $IPv6Dependencies += "[PDTVMSwitch]$switchName"
                }
            }
 
            # Enable IPv6 on all interfaces. (Should this depend on the NICs, not
            # the switches? Or is the point to do this before vNICs are built?)
            PDTNetIPv6 'IPv6'
            {
                DependsOn = $IPv6Dependencies
                ComputerName = 'localhost'
            }
 
            # Stop ISATAP. Not needed on stamp and groupthink says that it was
            # causing problems in some of our testing environments.
            PDTNetISATAP 'ISATAP'
            {
                DependsOn = '[PDTNetIPv6]IPv6'
                ComputerName = 'localhost'
                Ensure = 'Absent'
            }
 
            # Ensure that all NICs not in use for virtualization are disabled.
            # For One-Node, skip this step as it has been checked elsewhere that it has only active NIC.
            if(-not $Node.InternalSwitchNames)
            {
                PDTNetUnboundNIC 'DisableUnboundNICs'
                {
                    DependsOn = $UnboundNICDependencies
                    ComputerName = 'localhost'
                    State = 'Disabled'
                }
            }
 
            # One-node deployments don't have a domain on the host. If there is
            # one, however, record the DNS suffix.
            if ($Node.DomainFQDN)
            {
                PDTNetGlobalDNS 'GlobalDNSSuffixes'
                {
                    DependsOn = '[PDTNetIPv6]IPv6'
                    ComputerName = 'localhost'
                    SuffixList = $Node.DomainFQDN
                }
            }
 
            # This gets filled in with management OS NIC names
            $ManagementOSNicNames = @()
 
            # Set up the vNICs on the host.
            $RdmaNICs = @()
            $RdmaNICNames = @()
            $FirewallGroups = @{}
            foreach ($nicName in $Node.NicNames)
            {
                Write-Verbose "Creating vNIC $nicName on Node $($Node.NodeName)."
 
                # Create (or delete) the vNIC itself.
                if ([string]::IsNullOrEmpty($Node.("${nicName}MacAddress"))) {
                    PDTVMNetworkAdapterManagementOS $nicName
                    {
                        DependsOn = `
                        @(
                            '[PDTNetIPv6]IPv6'
                            '[PDTService]VMMS'
                        )
                        Name = $nicName
                        SwitchName = $Node.("${nicName}SwitchName")
                        VlanId = $Node.("${nicName}VlanId")
                        Ensure = $Node.("${nicName}Ensure")
                        PriorityTag = 'On'
                    }
                }
                else {
                    PDTVMNetworkAdapterManagementOS $nicName
                    {
                        DependsOn = `
                        @(
                            '[PDTNetIPv6]IPv6'
                            '[PDTService]VMMS'
                        )
                        Name = $nicName
                        SwitchName = $Node.("${nicName}SwitchName")
                        VlanId = $Node.("${nicName}VlanId")
                        Ensure = $Node.("${nicName}Ensure")
                        MacAddress = $Node.("${nicName}MacAddress")
                        PriorityTag = 'On'
                    }
                }
 
                # Record these as VFP Firewall rules will depend on these.
                $ManagementOSNicNames += "[PDTVMNetworkAdapterManagementOS]$nicName"
 
                # If the vNIC above was being created, set RDMA state
                # and assign an IP address.
                if ($Node.("${nicName}Ensure") -ne 'Absent')
                {
                    if ($Node.("${nicName}Rdma"))
                    {
                        Write-Verbose "VNIC $nicName is a RDMA NIC on Node $($Node.NodeName). Add it to RdmaNICs list."
 
                        PDTNetAdapterRdma $nicName
                        {
                            DependsOn = "[PDTVMNetworkAdapterManagementOS]$nicName"
                            NetAdapterCriteriaType = 'Name'
                            NetAdapterCriteriaValue = $nicName
                        }
 
                        $RdmaNICs += "[PDTNetAdapterRdma]$nicName"
                        $RdmaNICNames += "$nicName"
                    }
 
                    # In one-node host scenario, if the vNIC above was created with physical NIC's MAC address, the vNIC would get either
                    # a DHCP IP address (if PNIC is using DHCP) or a static IP copied from the PNIC (if PNIC is using static IP). In either case,
                    # there is no need to set the IP address explicitly again.
                    # The "DoNotSetIPAddress" flag is only set to TRUE in one-node scenario.
                    if (!$Node.("${nicName}DoNotSetIPAddress")) {
                        $defGateway = $Node.("${nicName}IPv4DefaultGateway")
                        $useDefaultGateway = $Node.("${nicName}UseDefaultGateway")
                        if ($useDefaultGateway -eq $true)
                        {
                            Write-Verbose "VNIC $nicName is using default gateway $defGateway on Node $($Node.NodeName)."
                        }
                        else
                        {
                            Write-Verbose "VNIC $nicName is not using default gateway on Node $($Node.NodeName)."
                        }
 
                        $registerThisConnectionsAddress = $Node.("${nicName}RegisterThisConnectionsAddress")
 
                        if ($useDefaultGateway -eq $true)
                        {
                            # this is to configure IP for HostNic which has default gateway
                            PDTNetIPAddress $nicName
                            {
                                DependsOn = "[PDTVMNetworkAdapterManagementOS]$nicName"
                                NetAdapterCriteriaType = 'Name'
                                NetAdapterCriteriaValue = $nicName
                                IPAddress = $Node.("${nicName}IPv4Address")
                                PrefixLength = $Node.("${nicName}IPv4PrefixLength")
                                DNSServers = $Node.DNSServers
                                DefaultGateway = $defGateway
                                DnsRegistration = $registerThisConnectionsAddress
                            }
                        }
                        else
                        {
                            # this is to configure IPs for Storage NICs which do not have default gateway
                            PDTNetIPAddress $nicName
                            {
                                DependsOn = "[PDTVMNetworkAdapterManagementOS]$nicName"
                                NetAdapterCriteriaType = 'Name'
                                NetAdapterCriteriaValue = $nicName
                                IPAddress = $Node.("${nicName}IPv4Address")
                                PrefixLength = $Node.("${nicName}IPv4PrefixLength")
                                DNSServers = $Node.DNSServers
                                DnsRegistration = $registerThisConnectionsAddress
                            }
                        }
 
                        $netProfile = $Node.("${nicName}NetConnectionProfile")
                        if ($netProfile)
                        {
                            PDTNetConnectionProfile $nicName
                            {
                                DependsOn = "[PDTNetIPAddress]$nicName"
                                Profile = $netProfile
                                Name = $nicName
                            }
                        }
                    }
                    else {
                        $netProfile = $Node.("${nicName}NetConnectionProfile")
                        if ($netProfile)
                        {
                            PDTNetConnectionProfile $nicName
                            {
                                DependsOn = "[PDTVMNetworkAdapterManagementOS]$nicName"
                                Profile = $netProfile
                                Name = $nicName
                            }
                        }
                    }
 
                    $firewallRules = $Node.("${nicName}FirewallRules")
                    foreach ($rule in $firewallRules)
                    {
                        $groupName = $rule.Group
                        if (-not $FirewallGroups.$groupName)
                        {
                            $FirewallGroups.$groupName = New-Object PSObject -Property @{Enabled = $rule.Enabled; InterfaceAlias = @()}
                        }
 
                        $FirewallGroups.$groupName.InterfaceAlias += $nicName
                    }
                }
            }
 
            # Set up the firewall rules for MCNP Proxy, depends on the Management OS Nic
            Write-Verbose "Setting firewall rules for MCNP proxy"
 
            xFirewall 'HostGAPlugin Proxy Rule (Inbound)'
            {
                Name = 'HostGAPlugin Proxy Rule (Inbound)'
                DisplayName = 'HostGAPlugin Proxy Rule (Inbound)'
                Direction = 'InBound'
                Access = 'Allow'
                Protocol = 'TCP'
                LocalPort = @($hostGAPluginProxyPort)
                DependsOn = $ManagementOSNicNames
            }
 
            xFirewall 'WireServer Proxy Rule (Inbound)'
            {
                Name = 'WireServer Proxy Rule (Inbound)'
                DisplayName = 'WireServer Proxy Rule (Inbound)'
                Direction = 'InBound'
                Access = 'Allow'
                Protocol = 'TCP'
                LocalPort = @($wireServerProxyPort)
                DependsOn = $ManagementOSNicNames
            }
 
            xFirewall 'Instance-Metadata-Server-Proxy-Outbound'
            {
                Name = 'Instance-Metadata-Server-Proxy-Outbound'
                DisplayName = 'Instance-Metadata-Server-Proxy-Outbound'
                Direction = 'Outbound'
                Access = 'Allow'
                Protocol = 'TCP'
                LocalPort = @($imdsProxyPort)
                DependsOn = $ManagementOSNicNames
            }
 
            xFirewall 'Instance-Metadata-Server-Proxy-Inbound'
            {
                Name = 'Instance-Metadata-Server-Proxy-Inbound'
                DisplayName = 'Instance-Metadata-Server-Proxy-Inbound'
                Direction = 'Inbound'
                Access = 'Allow'
                Protocol = 'TCP'
                LocalPort = @($imdsProxyPort)
                DependsOn = $ManagementOSNicNames
            }
 
            xFirewall 'GAR-Proxy-Outbound'
            {
                Name = 'GAR-Proxy-Outbound'
                DisplayName = 'GAR-Proxy-Outbound'
                Direction = 'Outbound'
                Access = 'Allow'
                Protocol = 'TCP'
                LocalPort = @($garProxyPort)
                DependsOn = $ManagementOSNicNames
            }
 
            xFirewall 'GAR-Proxy-Inbound'
            {
                Name = 'GAR-Proxy-Inbound'
                DisplayName = 'GAR-Proxy-Inbound'
                Direction = 'Inbound'
                Access = 'Allow'
                Protocol = 'TCP'
                LocalPort = @($garProxyPort)
                DependsOn = $ManagementOSNicNames
            }
 
            # Make policies about which pNICs are used for RDMA via each vNIC.
            if ($RdmaNICs.Count -ne 0)
            {
                PDTNetRDMARoutes 'RDMARoutes'
                {
                    Name = 'Storage*'
                    DependsOn = $RdmaNICs
                    Strategy = 'roundrobin'
                }
            }
 
            foreach ($group in $FirewallGroups.GetEnumerator())
            {
                $depends = ($group.Value.InterfaceAlias | ForEach-Object {'[PDTVMNetworkAdapterManagementOS]' + $_})
                if ($group.Value.Enabled)
                {
                    $ensure = 'Present'
                }
                else
                {
                    $ensure = 'Absent'
                }
                PDTNetFirewallGroup $group.Name
                {
                    DependsOn = $depends
                    Name = $group.Key
                    InterfaceAlias = $group.Value.InterfaceAlias
                    Ensure = $ensure
                }
            }
 
            # ASZ - No ASDK mode
            # Multi-node hosts are hatched already joined to a domain, so we can
            # add administrators here.
            # if ($physicalNodes.Count -gt 1)
            # {
                $firstPhysicalNode = $physicalNodes | Select-Object -First 1
                $localAdmins = $firstPhysicalNode.LocalAdmins.Admin
                ASGroup 'LocalAdministrators'
                {
                    DependsOn = $depends
                    GroupName = 'Administrators'
                    MembersToInclude = $localAdmins.Name
                }
            # }
 
            # In Multi-cluster scenario, the hosts' storage NICs should have static routes to other clusters' storage networks
            if (IsNetworkSchemaVersion2021($Parameters))
            {
                Write-Verbose "This deployment is using network schema version 2021, which support multiple Scale Units."
                $localClusterId = $Node.RefClusterId
 
                Write-Verbose "Finding local storage network for cluster $($localClusterId) on Node $($Node.NodeName)."
                $localNetworkDefinition = Get-NetworkDefinitionForCluster -Parameters $Parameters -ClusterName $localClusterId
                $localClusterStorageNetworkName = Get-NetworkNameForCluster -ClusterName $localClusterId -NetworkName "DC1"
                $localClusterStorageNetwork = $localNetworkDefinition.Networks.Network | Where-Object {$_.Id -eq $localClusterStorageNetworkName}
                if ($localClusterStorageNetwork)
                {
                    Write-Verbose "Storage Network $localClusterStorageNetworkName was found for Node $($Node.NodeName)."
                }
                else
                {
                    throw "Storage network $localClusterStorageNetworkName was not found for Node $($Node.NodeName)."
                }
 
                Write-Verbose "Finding local storage2 network for cluster $($localClusterId) on Node $($Node.NodeName)."
                $localClusterStorage2NetworkName = Get-NetworkNameForCluster -ClusterName $localClusterId -NetworkName "DC2"
                $localClusterStorage2Network = $localNetworkDefinition.Networks.Network | Where-Object {$_.Id -eq $localClusterStorage2NetworkName}
                if ($localClusterStorage2Network)
                {
                    Write-Verbose "Storage2 Network $localClusterStorage2NetworkName was found for Node $($Node.NodeName)."
                }
                else
                {
                    throw "Storage2 network $localClusterStorage2NetworkName was not found for Node $($Node.NodeName)."
                }
 
 
                $allOtherClusters = $Parameters.Roles["Cluster"].PublicConfiguration.Clusters.Node | Where-Object { $_.Id -ne $localClusterId }
 
                # for each additional SU, create two static routes for each storage VNIC on local cluster node, so that there will be 4 such routes per SU:
                # 1. To other SU's Storage network 1 via vNIC1's default gateway
                # 2. To other SU's Storage network 2 via vNIC1's default gateway
                # 3. To other SU's Storage network 1 via vNIC2's default gateway
                # 4. To other SU's Storage network 2 via vNIC2's default gateway
                foreach ($otherCluster in $allOtherClusters)
                {
                    Write-Verbose "Finding storage network in cluster $($otherCluster.Name) for Node $($Node.NodeName)."
                    $otherClusterStorageNetworkName = Get-NetworkNameForCluster -ClusterName $otherCluster.Name -NetworkName "DC1"
                    $otherClusterNetworkDefinition = Get-NetworkDefinitionForCluster -Parameters $Parameters -ClusterName $otherCluster.Name
                    $otherClusterStorageNetwork = $otherClusterNetworkDefinition.Networks.Network | Where-Object {$_.Id -eq $otherClusterStorageNetworkName}
                    if ($otherClusterStorageNetwork)
                    {
                        Write-Verbose "Storage Network $otherClusterStorageNetworkName was found for Node $($Node.NodeName)."
                    }
                    else
                    {
                        throw "Storage network $otherClusterStorageNetworkName was not found for Node $($Node.NodeName)."
                    }
                    $destinationPrefix = $otherClusterStorageNetwork.IPv4.Subnet
                    Write-Verbose "Found cluster $($otherCluster.Name) storage network $destinationPrefix for Node $($Node.NodeName)."
 
                    $otherClusterStorage2NetworkName = Get-NetworkNameForCluster -ClusterName $otherCluster.Name -NetworkName "DC2"
                    $otherClusterStorage2Network = $otherClusterNetworkDefinition.Networks.Network | Where-Object {$_.Id -eq $otherClusterStorage2NetworkName}
                    if ($otherClusterStorage2Network)
                    {
                        Write-Verbose "Storage2 Network $otherClusterStorage2NetworkName was found for Node $($Node.NodeName)."
                    }
                    else
                    {
                        throw "Storage2 network $otherClusterStorage2NetworkName was not found for Node $($Node.NodeName)."
                    }
                    $destinationPrefix2 = $otherClusterStorage2Network.IPv4.Subnet
                    Write-Verbose "Found cluster $($otherCluster.Name) storage2 network $destinationPrefix2 for Node $($Node.NodeName)."
 
                    foreach ($rdmaNicName in $RdmaNICNames)
                    {
                        $nexthop = $Node.("${rdmaNicName}IPv4DefaultGateway")
 
                        Write-Verbose "Creating static route to $destinationPrefix via NextHop $nexthop for NIC $rdmaNicName on Node $($Node.NodeName)."
                        xRoute "$rdmaNicName-$destinationPrefix"
                        {
                            DependsOn = $RdmaNICs
                            HyperVNetworkAdapterName = $rdmaNicName
                            AddressFamily = "IPv4"
                            DestinationPrefix = $destinationPrefix
                            NextHop = $nextHop
                        }
 
                        Write-Verbose "Creating static route to $destinationPrefix2 via NextHop $nexthop for NIC $rdmaNicName on Node $($Node.NodeName)."
                        xRoute "$rdmaNicName-$destinationPrefix2"
                        {
                            DependsOn = $RdmaNICs
                            HyperVNetworkAdapterName = $rdmaNicName
                            AddressFamily = "IPv4"
                            DestinationPrefix = $destinationPrefix2
                            NextHop = $nextHop
                        }
                    }
                }
            }
 
            # This will increase the default WMI limit of 4096 WMI HandlesPerHost to 8192.
            # We believe this will avoid some of our WMI throttling errors and WMI service crashes
            WmiConfiguration 'WmiQuotaConfig'
            {
                ComputerName = "localhost"
                HandlesPerHost = 8192
            }
 
            # When NAS cluster(s) integrated, the hosts' storage NICs should have static routes to the NAS storage networks
            # So that Blob data traffic can go through the storage NICs
            $nasClusters = $Parameters.Roles["NasCluster"].PublicConfiguration.NasClusters.Node
            foreach ($nasCluster in $nasClusters)
            {
                $nasName = $nasCluster.Name
                $nasStorageSubnet = $nasCluster.NasClusterNetworks.StorageNetwork.Subnet
                Write-Verbose "Found NasCluster:[$nasName], StorageSubnet:[$nasStorageSubnet]" -Verbose
 
                foreach ($rdmaNicName in $RdmaNICNames)
                {
                    $nexthop = $Node.("${rdmaNicName}IPv4DefaultGateway")
 
                    Write-Verbose "Creating static route to $nasStorageSubnet via NextHop $nextHop for NIC $rdmaNicName on Node $($Node.NodeName)." -Verbose
                    if (-not $nasStorageSubnet -or -not $nextHop) {
                        throw "Invalid static route parameter"
                    }
 
                    xRoute "$rdmaNicName-$nasStorageSubnet"
                    {
                        DependsOn = $RdmaNICs
                        HyperVNetworkAdapterName = $rdmaNicName
                        AddressFamily = "IPv4"
                        DestinationPrefix = $nasStorageSubnet
                        NextHop = $nextHop
                    }
                }
 
            }
        }
        #>

    }
}

Export-ModuleMember -Function NewComputeBootstrapDscConfiguration

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