public/Get-SystemInfo.ps1
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function Get-SystemInfo { [CmdletBinding()] Param ( [string[]] $ComputerName, [Switch] $HotFixInfo, [System.Management.Automation.PSCredential] $Credential ) $scriptblock = { $System = Get-CimInstance -Class Win32_ComputerSystem $OS = Get-CimInstance -Class Win32_OperatingSystem $BIOS = Get-CimInstance -Class Win32_BIOS $Processor = Get-CimInstance -Class Win32_Processor $Network = Get-CimInstance -Class Win32_NetworkAdapterConfiguration $Disk = Get-CimInstance -Class Win32_LogicalDisk $Uptime = New-TimeSpan $OS.LastBootUpTime $OS.LocalDateTime -ErrorAction SilentlyContinue $TimeZone = try{(Get-TimeZone).Displayname} catch{"ERROR"} $properties = @( @{n='TimeStamp';e={$_.TimeCreated}}, @{n='User';e={$_.Properties[6].Value}}, @{n='Reason/Application';e={$_.Properties[0].Value}}, @{n='Action';e={$_.Properties[4].Value}} ) $reboot = Get-WinEvent -FilterHashTable @{LogName='System'; ID=1074} | Sort-Object TimeCreated -Descending | Select-Object $properties -First 1 if ($using:HotFixInfo){ $hotfix = (Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object hotfixID,InstalledOn,InstalledBy)[0] } #Get Pending reboot info - Stolen from Adam Bertram's Test-Pending Reboot https://www.powershellgallery.com/packages/Test-PendingReboot function Test-PendingReboot{ [CmdletBinding()] param( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [Alias("CN", "Computer")] [String[]] $ComputerName, [Parameter()] [Switch] $Detailed, [Parameter()] [Switch] $SkipConfigurationManagerClientCheck, [Parameter()] [Switch] $SkipPendingFileRenameOperationsCheck ) foreach ($computer in $ComputerName) { $invokeWmiMethodParameters = @{ Namespace = 'root/default' Class = 'StdRegProv' Name = 'EnumKey' ErrorAction = 'Stop' } $hklm = [UInt32] "0x80000002" ## Query the Component Based Servicing Reg Key $invokeWmiMethodParameters.ArgumentList = @($hklm, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\') $registryComponentBasedServicing = (Invoke-WmiMethod @invokeWmiMethodParameters).sNames -contains 'RebootPending' ## Query WUAU from the registry $invokeWmiMethodParameters.ArgumentList = @($hklm, 'SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\') $registryWindowsUpdateAutoUpdate = (Invoke-WmiMethod @invokeWmiMethodParameters).sNames -contains 'RebootRequired' ## Query JoinDomain key from the registry - These keys are present if pending a reboot from a domain join operation $invokeWmiMethodParameters.ArgumentList = @($hklm, 'SYSTEM\CurrentControlSet\Services\Netlogon') $registryNetlogon = (Invoke-WmiMethod @invokeWmiMethodParameters).sNames $pendingDomainJoin = ($registryNetlogon -contains 'JoinDomain') -or ($registryNetlogon -contains 'AvoidSpnSet') ## Query ComputerName and ActiveComputerName from the registry and setting the MethodName to GetMultiStringValue $invokeWmiMethodParameters.Name = 'GetMultiStringValue' $invokeWmiMethodParameters.ArgumentList = @($hklm, 'SYSTEM\CurrentControlSet\Control\ComputerName\ActiveComputerName\', 'ComputerName') $registryActiveComputerName = Invoke-WmiMethod @invokeWmiMethodParameters $invokeWmiMethodParameters.ArgumentList = @($hklm, 'SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName\', 'ComputerName') $registryComputerName = Invoke-WmiMethod @invokeWmiMethodParameters $pendingComputerRename = $registryActiveComputerName -ne $registryComputerName -or $pendingDomainJoin ## Query PendingFileRenameOperations from the registry if (-not $PSBoundParameters.ContainsKey('SkipPendingFileRenameOperationsCheck')) { $invokeWmiMethodParameters.ArgumentList = @($hklm, 'SYSTEM\CurrentControlSet\Control\Session Manager\', 'PendingFileRenameOperations') $registryPendingFileRenameOperations = (Invoke-WmiMethod @invokeWmiMethodParameters).sValue $registryPendingFileRenameOperationsBool = [bool]$registryPendingFileRenameOperations } ## Query ClientSDK for pending reboot status, unless SkipConfigurationManagerClientCheck is present if (-not $PSBoundParameters.ContainsKey('SkipConfigurationManagerClientCheck')) { $invokeWmiMethodParameters.NameSpace = 'ROOT\ccm\ClientSDK' $invokeWmiMethodParameters.Class = 'CCM_ClientUtilities' $invokeWmiMethodParameters.Name = 'DetermineifRebootPending' $invokeWmiMethodParameters.Remove('ArgumentList') try { $sccmClientSDK = Invoke-WmiMethod @invokeWmiMethodParameters $systemCenterConfigManager = $sccmClientSDK.ReturnValue -eq 0 -and ($sccmClientSDK.IsHardRebootPending -or $sccmClientSDK.RebootPending) } catch { $systemCenterConfigManager = $null Write-Verbose -Message ($script:localizedData.invokeWmiClientSDKError -f $computer) } } $isRebootPending = $registryComponentBasedServicing -or ` $pendingComputerRename -or ` $pendingDomainJoin -or ` $registryPendingFileRenameOperationsBool -or ` $systemCenterConfigManager -or ` $registryWindowsUpdateAutoUpdate if ($PSBoundParameters.ContainsKey('Detailed')) { [PSCustomObject]@{ ComputerName = $computer IsRebootPending = $isRebootPending ComponentBasedServicing = $registryComponentBasedServicing PendingComputerRenameDomainJoin = $pendingComputerRename PendingFileRenameOperations = $registryPendingFileRenameOperationsBool PendingFileRenameOperationsValue = $registryPendingFileRenameOperations -join ';' SystemCenterConfigManager = $systemCenterConfigManager WindowsUpdateAutoUpdate = $registryWindowsUpdateAutoUpdate } } else { [PSCustomObject]@{ ComputerName = $computer IsRebootPending = $isRebootPending } } }#end Foreach }#end Fuction $pendingreboot = Test-PendingReboot $object = [pscustomobject] @{ ComputerName = $system.name Domain = $system.Domain OSName = $os.Caption OSVersion = $os.version OSArch = $os.osarchitecture OriginalInstallDate = $os.InstallDate Uptime = "{0} days {1} hours {2} minutes" -f $Uptime.Days, $Uptime.Hours, $Uptime.Minutes LastReboot = $OS.LastBootUpTime LastRebootEvent = $reboot IsPendingReboot = $pendingreboot.IsRebootPending TimeZone = $TimeZone SystemModel = $System.Model BIOSVersion = "{0} ({1})" -f $BIOS.Name, $BIOS.Version SerialNumber = $BIOS.SerialNumber Processor = ($Processor | ForEach-Object {"{0} ({1} Core(s), {2} Logical Processor(s))" -f $_.Name, $_.NumberOfCores, $_.NumberOfLogicalProcessors} | Out-String).Trim() TotalCPUCores = $processor.count * $processor[0].NumberOfCores RAM = "{0:N2} / {1:N2} GB ({2:N1}% Free)" -f ($OS.FreePhysicalMemory / 1MB), ($OS.TotalVisibleMemorySize / 1MB), (($OS.FreePhysicalMemory / $OS.TotalVisibleMemorySize) * 100) LogicalDisks = ($Disk | Where-Object { $_.DriveType -eq 3 -and $_.Size -notlike $null } | ForEach-Object { "[{0}] {1}\ ({2}) = {3:N2} / {4:N2} GB ({5:N1}% Free)" -f $_.FileSystem, $_.DeviceID, $_.VolumeName, ($_.FreeSpace / 1GB), ($_.Size / 1GB), (($_.FreeSpace / $_.Size) * 100) } | Out-String).Trim() PSVersion = $psversiontable.psversion.tostring() IPAddress = ($network | Where-Object {$_.DefaultIPGateway}).ipaddress -join "," IPSubnet = ($network | Where-Object {$_.DefaultIPGateway}).IPSubnet -join "," Gateway = ($network | Where-Object {$_.DefaultIPGateway}).DefaultIPGateway -join "," DNSServers = ($network | Where-Object {$_.DefaultIPGateway}).DNSServerSearchOrder -join "," LastHotFixInstalled = if($hotfix){$hotfix}else{"'HotFixInfo' Flag not set."} } return $object }# end script block #Execute Scriptblock on Computername(s) with set parameters. $params = @{ ScriptBlock = $scriptblock } if ($ComputerName){ $params['ComputerName'] = $ComputerName } if ($Credential){ $params['Credential'] = $Credential } Invoke-Command @params } |