Public/Create-SubordinateCA.ps1
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.SYNOPSIS This function creates a new Enterprise Subordinate/Intermediate/Issuing Certification Authority by either... A) Creating a brand new Windows Server VM; or B) Using an existing Windows Server on the network ...and then running a configuration script over a PS Remoting Session. Since this script needs to request a Certificate from the Root CA, in order to avoid the double-hop authentication issue, a one-time-use Scheduled Task is created, immediately run, and deleted immediately after completion. .DESCRIPTION See .SYNOPSIS .NOTES .PARAMETER CreateNewVMs This parameter is OPTIONAL. This parameter is a switch. If used, a new Windows 2016 Standard Server Virtual Machine will be deployed to the localhost. If Hyper-V is not installed, it will be installed (and you will need to reatart the localhost before proceeding). .PARAMETER VMStorageDirectory This parameter is OPTIONAL, but becomes MANDATORY if the -CreateNewVMs parameter is used. This parameter takes a string that represents the full path to a directory on a LOCAL drive that will contain all new VM files (configuration, vhd(x), etc.) .PARAMETER Windows2016VagrantBox This parameter is OPTIONAL, but becomes MANDATORY if the -CreateNewVMs parameter is used. This parameter takes a string that represents the name of a Vagrant Box that can be downloaded from https://app.vagrantup.com/boxes/search. Default value is "jborean93/WindowsServer2016". Another good Windows 2016 Server Vagrant Box is "StefanScherer/windows_2016". You can alternatively specify a Windows 2012 R2 Standard Server Vagrant Box if desired. .PARAMETER ExistingDomain This parameter is MANDATORY. This parameter takes a string that represents the name of the domain that the Subordinate CA will join. Example: alpha.lab .PARAMETER DomainAdminCredentials This parameter is MANDATORY. This parameter takes a PSCredential. The Domain Admin Credentials will be used to join the Subordinate CA Server to the domain as well as configre the new Subordinate CA. This means that the Domain Account provided to this parameter MUST be a member of the following Security Groups in Active Directory: - Domain Admins - Domain Users - Enterprise Admins - Group Policy Creator Owners - Schema Admins .PARAMETER PSRemotingCredentials This parameter is MANDATORY. This parameter takes a PSCredential. The credential provided to this parameter should correspond to a User Account that has permission to remote into the target Windows Server. If you're using a Vagrant Box (which is what will be deployed if you use the -CreateNewVMs switch), then the value for this parameter should be created via: $VagrantVMPassword = ConvertTo-SecureString 'vagrant' -AsPlainText -Force $VagrantVMAdminCreds = [pscredential]::new("vagrant",$VagrantVMPassword) .PARAMETER IPOfServerToBeSubCA This parameter is OPTIONAL, however, if you do NOT use the -CreateNewVMs parameter, this parameter becomes MANDATORY. This parameter takes a string that represents an IPv4 Address referring to an EXISTING Windows Server on the network that will become the new Subordinate CA. .PARAMETER IPofDomainController This parameter is OPTIONAL, however, if you cannot resolve the Domain Name provided to the -ExistingDomain parameter from the localhost, then this parameter becomes MANDATORY. This parameter takes a string that represents an IPv4 address referring to a Domain Controller (not readonly) on the domain specified by the -ExistingDomain parameter. .PARAMETER IPOfRootCA This parameter is MANDATORY. This parameter takes a string that represents an IPv4 address referring to the Root CA on the domain specified by the -ExistingDomain parameter. .PARAMETER PrimaryHyperVHostIPOverride This parameter is OPTIONAL. This parameter takes a string that represents an IPv4 Address that you would like to use as your External Netowrk on your Hyper-V host. .PARAMETER SkipHyperVInstallCheck This parameter is OPTIONAL. This parameter is a switch. If used, this function will not check to make sure Hyper-V is installed on the localhost. .EXAMPLE # Open an elevated PowerShell Session, import the module, and - PS C:\Users\zeroadmin> $VagrantVMPassword = ConvertTo-SecureString 'vagrant' -AsPlainText -Force PS C:\Users\zeroadmin> $VagrantVMAdminCreds = [pscredential]::new("vagrant",$VagrantVMPassword) PS C:\Users\zeroadmin> $DomainAdminCreds = [pscredential]::new("alpha\alphaadmin",$(Read-Host 'Enter Passsword' -AsSecureString)) Enter Passsword: ************ PS C:\Users\zeroadmin> $CreateSubCASplatParams = @{ >> CreateNewVMs = $True >> VMStorageDirectory = "H:\VirtualMachines" >> ExistingDomain = "alpha.lab" >> IPOfDomainController = "192.168.2.112" >> IPOfRootCA = "192.168.2.113" >> PSRemotingCredentials = $VagrantVMAdminCreds >> DomainAdminCredentials = $DomainAdminCreds >> } PS C:\Users\zeroadmin> $CreateSubCAResult = Create-SubordinateCA @CreateSubCASplatParams #> function Create-SubordinateCA { [CmdletBinding()] Param ( [Parameter(Mandatory=$False)] [switch]$CreateNewVMs, [Parameter(Mandatory=$False)] [string]$VMStorageDirectory, [Parameter(Mandatory=$False)] [string]$Windows2016VagrantBox = "jborean93/WindowsServer2016", # Alternate - StefanScherer/windows_2016 [Parameter(Mandatory=$True)] [ValidatePattern("^([a-z0-9]+(-[a-z0-9]+)*\.)+([a-z]){2,}$")] [string]$ExistingDomain, [Parameter(Mandatory=$True)] [pscredential]$DomainAdminCredentials, [Parameter(Mandatory=$True)] [pscredential]$PSRemotingCredentials, [Parameter(Mandatory=$False)] [string]$IPofServerToBeSubCA, [Parameter(Mandatory=$False)] [string]$IPofDomainController, [Parameter(Mandatory=$True)] [string]$IPofRootCA, [Parameter(Mandatory=$False)] [string]$PrimaryHyperVHostIPOverride, [Parameter(Mandatory=$False)] [switch]$SkipHyperVInstallCheck ) #region >> Helper Functions # TestIsValidIPAddress # ResolveHost # GetDomainController # Deploy-HyperVVagrantBoxManually # Get-VagrantBoxManualDownload # New-SubordinateCA #endregion >> Helper Functions #region >> Prep $StartTime = Get-Date $ElevationCheck = [System.Security.Principal.WindowsPrincipal]::new([System.Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator) if (!$ElevationCheck) { Write-Error "You must run the build.ps1 as an Administrator (i.e. elevated PowerShell Session)! Halting!" $global:FunctionResult = "1" return } $PrimaryIfIndex = $(Get-CimInstance Win32_IP4RouteTable | Where-Object { $_.Destination -eq '0.0.0.0' -and $_.Mask -eq '0.0.0.0' } | Sort-Object Metric1)[0].InterfaceIndex $NicInfo = Get-CimInstance Win32_NetworkAdapterConfiguration | Where-Object {$_.InterfaceIndex -eq $PrimaryIfIndex} $PrimaryIP = $NicInfo.IPAddress | Where-Object {TestIsValidIPAddress -IPAddress $_} if ($PrimaryHyperVHostIPOverride) { if (!$(TestIsValidIPAddress -IPAddress $PrimaryHyperVHostIPOverride)) { Write-Error "'$PrimaryHyperVHostIPOverride' is not a valid IPv4 ip address! Halting!" $global:FunctionResult = "1" return } $PrimaryIP = $PrimaryHyperVHostIPOverride } if ($PSBoundParameters['CreateNewVMs']-and !$PSBoundParameters['VMStorageDirectory']) { $VMStorageDirectory = Read-Host -Prompt "Please enter the full path to the directory where all VM files will be stored" } if (!$PSBoundParameters['CreateNewVMs'] -and $PSBoundParameters['VMStorageDirectory']) { $CreateNewVMs = $True } if ($CreateNewVMs -and $PSBoundParameters['IPofServerToBeSubCA']) { $ErrMsg = "The parameter-IPofServerToBeSubCA, and was used in conjunction with parameters " + "that indicate that a new VM should be deployed (i.e. -CreateNewVMs and/or -VMStorageDirectory) " + "Please only use -IPofServerToBeSubCA if that server are already exists on the network. Halting!" Write-Error $ErrMsg $global:FunctionResult = "1" return } if (!$CreateNewVMs -and ! $PSBoundParameters['IPofServerToBeSubCA']) { Write-Error "The $($MyInvocation.MyCommand.Name) function requires either the -CreateNewVMs or -IPOfServerToBeSubCA parameter! Halting!" $global:FunctionResult = "1" return } <# if ($PSBoundParameters['IPofServerToBeSubCA']) { # Make sure we can reach RemoteHost IP(s) via WinRM/WSMan if (![bool]$(Test-Connection -Protocol WSMan -ComputerName $IPofServerToBeSubCA -Count 1 -ErrorAction SilentlyContinue)) { Write-Error "Unable to reach '$IPofServerToBeSubCA' via WinRM/WSMan! Halting!" $global:FunctionResult = "1" return } } #> if (!$PSBoundParameters['IPofDomainController']) { # Make sure we can Resolve the Domain/Domain Controller try { [array]$ResolveDomain = Resolve-DNSName -Name $ExistingDomain -ErrorAction Stop $IPofDomainController = $ResolveDomain[0].IPAddress } catch { Write-Error $_ $global:FunctionResult = "1" return } } if (!$(TestIsValidIPAddress -IPAddress $IPofDomainController)) { Write-Error "'$IPOfDomainController' is NOT a valid IPv4 address! Halting!" $global:FunctionResult = "1" return } if (!$(TestIsValidIPAddress -IPAddress $IPofRootCA)) { Write-Error "'$IPofRootCA' is NOT a valid IPv4 address! Halting!" $global:FunctionResult = "1" return } $FinalDomainName = if ($NewDomain) {$NewDomain} else {$ExistingDomain} $DomainShortName = $($FinalDomainName -split '\.')[0] #endregion >> Prep # Create the new VMs if desired if ($CreateNewVMs) { # Check to Make Sure Hyper-V is installed if (!$SkipHyperVInstallCheck) { try { $HyperVFeaturesInstallResults = InstallHyperVFeatures -ParentFunction $MyInvocation.MyCommand.Name } catch { Write-Error $_ Write-Error "The InstallHyperVFeatures function (as executed by the $($MyInvocation.MyCommand.Name) function) failed! Halting!" $global:FunctionResult = "1" return } try { $InstallContainersFeatureDismResult = InstallFeatureDism -Feature Containers -ParentFunction $MyInvocation.MyCommand.Name } catch { Write-Error $_ Write-Error "The InstallFeatureDism function (as executed by the $($MyInvocation.MyCommand.Name) function) failed! Halting!" $global:FunctionResult = "1" return } if ($HyperVFeaturesInstallResults.InstallResults.Count -gt 0 -or $InstallContainersFeatureDismResult.RestartNeeded) { if (!$AllowRestarts) { Write-Warning "You must restart $env:ComputerName before proceeding! Halting!" # IMPORTANT NOTE: The below Write-Output "RestartNeeded" is necessary Write-Output "RestartNeeded" $global:FunctionResult = "1" return } else { Restart-Computer -Confirm:$False -Force } } } #region >> Hardware Resource Check # Make sure we have at least 35GB of Storage and 6GB of READILY AVAILABLE Memory # Check Storage... $LocalDrives = Get-CimInstance Win32_LogicalDisk | Where-Object {$_.Drivetype -eq 3} | foreach {Get-PSDrive $_.DeviceId[0] -ErrorAction SilentlyContinue} if ([bool]$(Get-Item $VMStorageDirectory).LinkType) { $VMStorageDirectoryDriveLetter = $(Get-Item $VMStorageDirectory).Target[0].Substring(0,1) } else { $VMStorageDirectoryDriveLetter = $VMStorageDirectory.Substring(0,1) } if ($LocalDrives.Name -notcontains $VMStorageDirectoryDriveLetter) { Write-Error "'$VMStorageDirectory' does not appear to be a local drive! VMs MUST be stored on a local drive! Halting!" $global:FunctionResult = "1" return } $VMStorageDirectoryDriveInfo = Get-WmiObject Win32_LogicalDisk -ComputerName $env:ComputerName -Filter "DeviceID='$VMStorageDirectoryDriveLetter`:'" if ($([Math]::Round($VMStorageDirectoryDriveInfo.FreeSpace / 1MB)-2000) -lt 35000) { Write-Error "Drive '$VMStorageDirectoryDriveLetter' does not have at least 100GB of free space available! Halting!" $global:FunctionResult = "1" return } # Check Memory... $OSInfo = Get-CimInstance Win32_OperatingSystem $TotalMemory = $OSInfo.TotalVisibleMemorySize $MemoryAvailable = $OSInfo.FreePhysicalMemory $TotalMemoryInGB = [Math]::Round($TotalMemory / 1MB) $MemoryAvailableInGB = [Math]::Round($MemoryAvailable / 1MB) if ($MemoryAvailableInGB -lt 6 -and !$ForceWithLowMemory) { $MemoryErrorMsg = "The Hyper-V hypervisor $env:ComputerName should have at least 12GB of memory " + "readily available in order to run the new VMs. It currently only has about $MemoryAvailableInGB " + "GB available for immediate use. Halting!" Write-Error $MemoryErrorMsg $global:FunctionResult = "1" return } #endregion >> Hardware Resource Check #region >> Deploy New VMs $StartVMDeployment = Get-Date # Prepare To Manage .box Files if (!$(Test-Path "$VMStorageDirectory\BoxDownloads")) { $null = New-Item -ItemType Directory -Path "$VMStorageDirectory\BoxDownloads" -Force } $BoxNameRegex = [regex]::Escape($($Windows2016VagrantBox -split '/')[0]) $BoxFileAlreadyPresentCheck = Get-ChildItem "$VMStorageDirectory\BoxDownloads" -File -Filter "*.box" | Where-Object {$_.Name -match $BoxNameRegex} $DecompressedBoxDirectoryPresentCheck = Get-ChildItem "$VMStorageDirectory\BoxDownloads" -Directory | Where-Object {$_.Name -match $BoxNameRegex} if ([bool]$DecompressedBoxDirectoryPresentCheck) { $DecompressedBoxDirectoryItem = $DecompressedBoxDirectoryPresentCheck $DecompressedBoxDir = $DecompressedBoxDirectoryItem.FullName } elseif ([bool]$BoxFileAlreadyPresentCheck) { $BoxFileItem = $BoxFileAlreadyPresentCheck $BoxFilePath = $BoxFileItem.FullName } else { $BoxFileItem = Get-VagrantBoxManualDownload -VagrantBox $Windows2016VagrantBox -VagrantProvider "hyperv" -DownloadDirectory "$VMStorageDirectory\BoxDownloads" $BoxFilePath = $BoxFileItem.FullName } $NewVMDeploySB = { $DeployBoxSplatParams = @{ VagrantBox = $Windows2016VagrantBox CPUs = 2 Memory = 4096 VagrantProvider = "hyperv" VMName = $DomainShortName + 'SubCA' VMDestinationDirectory = $VMStorageDirectory SkipHyperVInstallCheck = $True } if ($DecompressedBoxDir) { if ($(Get-Item $DecompressedBoxDir).PSIsContainer) { $DeployBoxSplatParams.Add('DecompressedBoxDirectory',$DecompressedBoxDir) } } if ($BoxFilePath) { if (-not $(Get-Item $BoxFilePath).PSIsContainer) { $DeployBoxSplatParams.Add('BoxFilePath',$BoxFilePath) } } Write-Host "Deploying Hyper-V Vagrant Box..." $DeployBoxResult = Deploy-HyperVVagrantBoxManually @DeployBoxSplatParams $DeployBoxResult } if (!$IPofServerToBeSubCA) { $DomainShortName = $($ExistingDomain -split "\.")[0] Write-Host "Deploying New Subordinate CA VM '$DomainShortName`SubCA'..." if ($global:RSSyncHash) { $RunspaceNames = $($global:RSSyncHash.Keys | Where-Object {$_ -match "Result$"}) | foreach {$_ -replace 'Result',''} $NewSubCAVMDeployJobName = NewUniqueString -PossibleNewUniqueString "NewSubCAVM" -ArrayOfStrings $RunspaceNames } else { $NewSubCAVMDeployJobName = "NewSubCAVM" } $NewSubCAVMDeployJobSplatParams = @{ RunspaceName = $NewSubCAVMDeployJobName Scriptblock = $NewVMDeploySB Wait = $True } $NewSubCAVMDeployResult = New-Runspace @NewSubCAVMDeployJobSplatParams $IPofServerToBeSubCA = $NewSubCAVMDeployResult.VMIPAddress while (![bool]$(Get-VM -Name "$DomainShortName`SubCA" -ErrorAction SilentlyContinue)) { Write-Host "Waiting for $DomainShortName`SubCA VM to be deployed..." Start-Sleep -Seconds 15 } if (!$IPofServerToBeSubCA) { $IPofServerToBeSubCA = $(Get-VM -Name "$DomainShortName`SubCA").NetworkAdpaters.IPAddresses | Where-Object {TestIsValidIPAddress -IPAddress $_} } } [System.Collections.ArrayList]$VMsNotReportingIP = @() if (!$(TestIsValidIPAddress -IPAddress $IPofServerToBeSubCA)) { $null = $VMsNotReportingIP.Add("$DomainShortName`SubCA") } if ($VMsNotReportingIP.Count -gt 0) { Write-Error "The following VMs did NOT report thier IP Addresses within 30 minutes:`n$($VMsNotReportingIP -join "`n")`nHalting!" $global:FunctionResult = "1" return } # Make sure IP is a valid IPv4 address if (![bool]$(TestIsValidIPAddress -IPAddress $IPofServerToBeSubCA)) { Write-Error "'$IPofServerToBeSubCA' is NOT a valid IPv4 IP Address! Halting!" $global:FunctionResult = "1" return } Write-Host "Finished Deploying New VMs..." #endregion >> Deploy New VMs } #region >> Update WinRM/WSMAN Write-Host "Updating WinRM/WSMan to allow for PSRemoting to Servers ..." try { $null = Enable-PSRemoting -Force -ErrorAction Stop } catch { $NICsWPublicProfile = @(Get-NetConnectionProfile | Where-Object {$_.NetworkCategory -eq 0}) if ($NICsWPublicProfile.Count -gt 0) { foreach ($Nic in $NICsWPublicProfile) { Set-NetConnectionProfile -InterfaceIndex $Nic.InterfaceIndex -NetworkCategory 'Private' } } try { $null = Enable-PSRemoting -Force } catch { Write-Error $_ Write-Error "Problem with Enable-PSRemoting WinRM Quick Config! Halting!" $global:FunctionResult = "1" return } } # If $env:ComputerName is not part of a Domain, we need to add this registry entry to make sure WinRM works as expected if (!$(Get-CimInstance Win32_Computersystem).PartOfDomain) { $null = reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v LocalAccountTokenFilterPolicy /t REG_DWORD /d 1 /f } # Add the New Server's IP Addresses to $env:ComputerName's TrustedHosts $CurrentTrustedHosts = $(Get-Item WSMan:\localhost\Client\TrustedHosts).Value [System.Collections.ArrayList][array]$CurrentTrustedHostsAsArray = $CurrentTrustedHosts -split ',' [System.Collections.ArrayList]$ItemsToAddToWSMANTrustedHosts = @( $IPofServerToBeSubCA ) foreach ($NetItem in $ItemsToAddToWSMANTrustedHosts) { if ($CurrentTrustedHostsAsArray -notcontains $NetItem) { $null = $CurrentTrustedHostsAsArray.Add($NetItem) } } $UpdatedTrustedHostsString = $($CurrentTrustedHostsAsArray | Where-Object {![string]::IsNullOrWhiteSpace($_)}) -join ',' Set-Item WSMan:\localhost\Client\TrustedHosts $UpdatedTrustedHostsString -Force Write-Host "Finished updating WinRM/WSMan..." #endregion >> Update WinRM/WSMAN #region >> Make Sure WinRM/WSMan Is Ready on the Remote Hosts Write-Host "Attempting New PSSession to Remote Hosts for up to 30 minutes to ensure they are ready..." $PSSessionName = NewUniqueString -ArrayOfStrings $(Get-PSSession).Name -PossibleNewUniqueString "ToSubCACheck" $Counter = 0 while (![bool]$(Get-PSSession -Name $PSSessionName -ErrorAction SilentlyContinue)) { try { $SubCAPSSession = New-PSSession -ComputerName $IPofServerToBeSubCA -Credential $PSRemotingCredentials -Name $PSSessionName -ErrorAction SilentlyContinue if (![bool]$(Get-PSSession -Name $PSSessionName -ErrorAction SilentlyContinue)) {throw} } catch { if ($Counter -le 120) { Write-Warning "New-PSSession '$PSSessionName' failed. Trying again in 15 seconds..." Start-Sleep -Seconds 15 } else { Write-Error "Unable to create new PSSession to '$PSSessionName' using account '$($PSRemotingCredentials.UserName)'! Halting!" $global:FunctionResult = "1" return } } $Counter++ } # Clear the PSSessions Get-PSSession | Remove-PSSession if ($CreateNewVMs) { $EndVMDeployment = Get-Date $TotalTime = $EndVMDeployment - $StartVMDeployment Write-Host "VM Deployment took $($TotalTime.Hours) hours and $($TotalTime.Minutes) minutes..." -ForegroundColor Yellow } #endregion >> Make Sure WinRM/WSMan Is Ready on the Remote Hosts #region >> Join the Servers to Domain And Rename If Necessary $JoinDomainRSJobSB = { $JoinDomainSBAsString = @( '# Synchronize time with time servers' '$null = W32tm /resync /rediscover /nowait' '' '# Make sure the DNS Client points to IP of Domain Controller (and others from DHCP)' '$PrimaryIfIndex = $(Get-CimInstance Win32_IP4RouteTable | Where-Object {' ' $_.Destination -eq "0.0.0.0" -and $_.Mask -eq "0.0.0.0"' '} | Sort-Object Metric1)[0].InterfaceIndex' '$NicInfo = Get-CimInstance Win32_NetworkAdapterConfiguration | Where-Object {$_.InterfaceIndex -eq $PrimaryIfIndex}' '$PrimaryIP = $NicInfo.IPAddress | Where-Object {TestIsValidIPAddress -IPAddress $_}' '$CurrentDNSServerListInfo = Get-DnsClientServerAddress -InterfaceIndex $PrimaryIfIndex -AddressFamily IPv4' '$CurrentDNSServerList = $CurrentDNSServerListInfo.ServerAddresses' '$UpdatedDNSServerList = [System.Collections.ArrayList][array]$CurrentDNSServerList' '$UpdatedDNSServerList.Insert(0,$args[0])' '$null = Set-DnsClientServerAddress -InterfaceIndex $PrimaryIfIndex -ServerAddresses $UpdatedDNSServerList' '' '$CurrentDNSSuffixSearchOrder = $(Get-DNSClientGlobalSetting).SuffixSearchList' '[System.Collections.ArrayList]$UpdatedDNSSuffixList = $CurrentDNSSuffixSearchOrder' '$UpdatedDNSSuffixList.Insert(0,$args[2])' 'Set-DnsClientGlobalSetting -SuffixSearchList $UpdatedDNSSuffixList' '' '# Try resolving the Domain for 30 minutes' '$Counter = 0' 'while (![bool]$(Resolve-DNSName $args[2] -ErrorAction SilentlyContinue) -and $Counter -le 120) {' ' Write-Host "Waiting for DNS to resolve Domain Controller..."' ' Start-Sleep -Seconds 15' ' $Counter++' '}' 'if (![bool]$(Resolve-DNSName $args[2] -ErrorAction SilentlyContinue)) {' ' Write-Error "Unable to resolve Domain $($args[2])! Halting!"' ' $global:FunctionResult = "1"' ' return' '}' '' '# Join Domain' 'Rename-Computer -NewName $args[1]' 'Start-Sleep -Seconds 10' 'Add-Computer -DomainName $args[2] -Credential $args[3] -Options JoinWithNewName,AccountCreate -Force -Restart' ) try { $JoinDomainSB = [scriptblock]::Create($($JoinDomainSBAsString -join "`n")) } catch { Write-Error "Problem creating `$JoinDomainSB! Halting!" $global:FunctionResult = "1" return } $InvCmdJoinDomainSplatParams = @{ ComputerName = $IPofServerToBeSubCA Credential = $PSRemotingCredentials ScriptBlock = $JoinDomainSB ArgumentList = $IPofDomainController,$DesiredHostNameSubCA,$ExistingDomain,$DomainAdminCredentials } try { Invoke-Command @InvCmdJoinDomainSplatParams } catch { Write-Error $_ $global:FunctionResult = "1" return } } # Check if SubCA is already part of $ExistingDomain/$NewDomain $InvCmdSubCADomainSplatParams = @{ ComputerName = $IPofServerToBeSubCA Credential = $PSRemotingCredentials ScriptBlock = {$(Get-CimInstance win32_computersystem).Domain} ErrorAction = "Stop" } try { $SubCADomain = Invoke-Command @InvCmdSubCADomainSplatParams } catch { Write-Error $_ $global:FunctionResult = "1" return } if ($SubCADomain -ne $ExistingDomain) { Write-Host "Joining the Sub CA to the Domain..." $DesiredHostNameSubCA = $DomainShortName + "SubCA" $RunspaceNames = $($global:RSSyncHash.Keys | Where-Object {$_ -match "Result$"}) | foreach {$_ -replace 'Result',''} $JoinSubCAJobName = NewUniqueString -PossibleNewUniqueString "JoinSubCA" -ArrayOfStrings $RunspaceNames <# $JoinSubCAArgList = @( $IPofServerToBeSubCA $PSRemotingCredentials $IPofDomainController $DesiredHostNameSubCA $ExistingDomain $DomainAdminCredentials ) #> $JoinSubCAJobSplatParams = @{ RunspaceName = $JoinSubCAJobName Scriptblock = $JoinDomainRSJobSB Wait = $True } $JoinSubCAResult = New-Runspace @JoinSubCAJobSplatParams # Verify Sub CA is Joined to Domain # Try to create a PSSession to the Sub CA for 15 minutes, then give up Write-Host "Trying to remote into SubCA at '$IPofServerToBeSubCA' with Domain Admin Credentials after Joining Domain..." $PSSessionName = NewUniqueString -ArrayOfStrings $(Get-PSSession).Name -PossibleNewUniqueString "ToSubCAPostDomainJoin" $Counter = 0 while (![bool]$(Get-PSSession -Name $PSSessionName -ErrorAction SilentlyContinue)) { try { $SubCAPSSessionPostDomainJoin = New-PSSession -ComputerName $IPofServerToBeSubCA -Credential $DomainAdminCredentials -Name $PSSessionName -ErrorAction SilentlyContinue if (![bool]$(Get-PSSession -Name $PSSessionName -ErrorAction SilentlyContinue)) {throw} } catch { if ($Counter -le 60) { Write-Warning "New-PSSession '$PSSessionName' failed. Trying again in 15 seconds..." Start-Sleep -Seconds 15 } else { Write-Error "Unable to create new PSSession to '$PSSessionName' using account '$($DomainAdminCredentials.UserName)'! Halting!" $global:FunctionResult = "1" return } } $Counter++ } if (!$SubCAPSSessionPostDomainJoin) { Write-Error "Unable to create a PSSession to the Sub CA Server at '$IPofServerToBeSubCA' using Domain Admin Credentials $($DomainAdminCredentials.UserName)! Halting!" $global:FunctionResult = "1" return } # Make sure there is a Reverse DNS PTR record for $IPofServerToBeSubCA if (!$DesiredHostNameSubCA) { try { $SubCANetworkInfo = ResolveHost -HostNameOrIP $IPofServerToBeSubCA $SubCAHostName = $SubCANetworkInfo.HostName } catch { Write-Error $_ $global:FunctionResult = "1" return } } else { $SubCAHostName = $DesiredHostNameSubCA } $SubCAPTRRecordFQDN = $SubCAHostName + '.' + $FinalDomainName $ThisModuleFunctionsStringArray = $(Get-Module MiniLab).Invoke({$FunctionsForSBUse}) try { $UpdateDNSPTRPSSession = New-PSSession -ComputerName $IPofDomainController -Credential $DomainAdminCredentials $UpdatePTRResult = Invoke-Command -Session $UpdateDNSPTRPSSession -ScriptBlock { $PTRRecords = Get-DnsServerResourceRecord -ZoneName $using:FinalDomainName -RRType A $PTRecordIPs = $PTRRecords.RecordData.IPv4Address.IPAddressToString | Sort-Object | Get-Unique if ($PTRecordIPs -notcontains $using:IPOfServerToBeSubCA) { $using:ThisModuleFunctionsStringArray | Where-Object {$_ -ne $null} | foreach {Invoke-Expression $_ -ErrorAction SilentlyContinue} $PrimaryIfIndex = $(Get-CimInstance Win32_IP4RouteTable | Where-Object { $_.Destination -eq '0.0.0.0' -and $_.Mask -eq '0.0.0.0' } | Sort-Object Metric1)[0].InterfaceIndex $NicInfo = Get-CimInstance Win32_NetworkAdapterConfiguration | Where-Object {$_.InterfaceIndex -eq $PrimaryIfIndex} $PrimaryIP = $NicInfo.IPAddress | Where-Object {TestIsValidIPAddress -IPAddress $_} $Prefix = $(Get-NetIPAddress -IPAddress $PrimaryIP).PrefixLength $ip = [ipaddress]$PrimaryIP $MaskString = $(ConvertSubnetMask -CIDR $Prefix).Mask $mask = [ipaddress]$MaskString $netid = ([ipaddress]($ip.Address -band $mask.Address)).IPAddressToString $binary = [convert]::ToString($mask.Address, 2) $mask_length = ($binary -replace 0,$null).Length $NetworkAndSubnetMaskCidr = '{0}/{1}' -f $netid, $mask_length $NetIdOctetArray = $netid -split '\.' $ZoneNameCheck = $NetIdOctetArray[2] + '.' + $NetIdOctetArray[1] + '.' + $NetIdOctetArray[0] + '.' + 'in-addr.arpa' Add-DnsServerResourceRecord -Name $using:SubCAHostName -Ptr -ZoneName $ZoneNameCheck -AllowUpdateAny -PtrDomainName $using:SubCAPTRRecordFQDN } } } catch { Write-Error $_ $global:FunctionResult = "1" return } } #endregion >> Join the Servers to Domain And Rename If Necessary #region >> Create the Sub CA # Remove All Existing PSSessions Get-PSSession | Remove-PSSession Write-Host "Creating the New Subordinate CA..." $NewSubCAResult = New-SubordinateCA -DomainAdminCredentials $DomainAdminCredentials -RootCAIPOrFQDN $IPofRootCA -SubCAIPOrFQDN $IPofServerToBeSubCA -ExpectedDomain $FinalDomainName #endregion >> Create the Sub CA $EndTime = Get-Date $TotalAllOpsTime = $EndTime - $StartTime Write-Host "All operations for the $($MyInvocation.MyCommand.Name) function took $($TotalAllOpsTime.Hours) hours and $($TotalAllOpsTime.Minutes) minutes" -ForegroundColor Yellow $NewSubCAResult } |