private/_GetOSInfo.ps1
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function _GetOSInfo { [cmdletbinding()] Param( [Microsoft.Management.Infrastructure.CimSession]$Cimsession ) Write-Verbose "[$($CimSession.ComputerName)] - Gathering OS information" $TimeZone = Get-CimInstance -CimSession $CimSession -ClassName Win32_TimeZone -Property Caption -ErrorAction Stop $OS = Get-CimInstance -CimSession $CimSession -ClassName Win32_OperatingSystem -Property Caption, Version, ServicePackMajorVersion, ServicePackMinorVersion, LastBootUpTime, OSArchitecture, InstallDate $ProductKey = (Get-CimInstance -CimSession $CimSession -Query 'SELECT OA3xOriginalProductKey FROM SoftwareLicensingService' -ErrorAction SilentlyContinue).OA3xOriginalProductKey $PageFile = Get-CimInstance -CimSession $CimSession -ClassName Win32_PageFile -Property Name, FileSize [PSCustomObject]@{ PSTypename = 'PSP.Inventory.OperatingSystemInfo' ComputerName = $Cimsession.ComputerName Caption = $OS.Caption Version = $OS.Version ServicePack = ("{0}.{1}" -f $OS.ServicePackMajorVersion, $OS.ServicePackMinorVersion) ProductKey = $ProductKey LastReboot = $OS.LastBootUpTime InstallDate = $OS.InstallDate OSArchitecture = $OS.OSArchitecture TimeZone = $TimeZone.Caption PageFile = if ($PageFile) {foreach ($File in $PageFile) {$File.Name}}else {$null} PageFileSizeGB = if ($PageFile) {foreach ($File in $PageFile) {([math]::round(($File.FileSize / 1GB), 0))}} else {$null} InventoryDate = (Get-Date) } } |