functions/Get-WindowsVersion.ps1
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<# Modified 9/29/2020 so that Invoke-Command doesn't attempt to create a remoting session to the local machine. #Issue 90 #> Function Get-WindowsVersion { [cmdletbinding()] [OutputType("WindowsVersion")] [alias('wver')] Param ( [Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$Computername = $env:COMPUTERNAME, [PSCredential]$Credential, [switch]$UseSSL, [Int32]$ThrottleLimit, [ValidateSet('Default', 'Basic', 'Credssp', 'Digest', 'Kerberos', 'Negotiate', 'NegotiateWithImplicitCredential')] [ValidateNotNullOrEmpty()] [string]$Authentication = "default" ) Begin { Write-Verbose "[$((Get-Date).TimeOfDay) BEGIN ] Starting $($MyInvocation.MyCommand)" $sb = { $RegPath = 'HKLM:\SOFTWARE\Microsoft\Windows nt\CurrentVersion\' <# 9/15/2022 JDH Revised to use `systeminfo to retrieve the operating system name and if that fails, fall back to using the registry entry. The registry entry for Windows 11 typically still shows Windows 10. #> $regData = Get-ItemProperty -Path $RegPath $tmpCsv = [system.io.path]::GetTempFileName() Start-Process systeminfo -ArgumentList "/fo csv" -wait -WindowStyle Hidden -RedirectStandardOutput $tmpCSV if ((Get-Item $tmpCSV).Length -gt 0) { $osName = Import-CSV $tmpCsv | Select-Object -expand "OS Name" Remove-Item -Path $tmpCsv } else { $osName = $regData.ProductName } $regData | Select-Object -Property @{Name="ProductName";Expression={$osname}}, EditionID, ReleaseID, BuildBranch, @{Name = "Build"; Expression = { "$($_.CurrentBuild).$($_.UBR)" } }, DisplayVersion, @{Name = "InstalledUTC"; Expression = { ([datetime]"1/1/1601").AddTicks($_.InstallTime) } }, @{Name = "Computername"; Expression = { $env:computername } } } #close scriptblock #update PSBoundParameters so it can be splatted to Invoke-Command [void]$PSBoundParameters.Add("ScriptBlock", $sb) } #begin Process { if (Test-IsPSWindows) { if ($Computername -eq $ENV:Computername) { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Processing the local host" #remove all any passed parameters "Credential", "UseSSL", "ThrottleLimit", "Authentication" | ForEach-Object { if ($PSBoundParameters.ContainsKey($_)) { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Removing parameter $_" [void]($PSBoundParameters.Remove($_)) } } } else { [void]$PSBoundParameters.add("HideComputername", $True) } Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Invoking command" $PSBoundParameters | Out-String | Write-Verbose $results = Invoke-Command @PSBoundParameters | Select-Object -Property * -ExcludeProperty RunspaceID, PS* if ($Results) { foreach ($item in $results) { [PSCustomObject]@{ PSTypeName = "WindowsVersion" ProductName = $item.ProductName ReleaseVersion = $item.DisplayVersion EditionID = $item.EditionID ReleaseID = $item.ReleaseID Build = $item.Build Branch = $item.BuildBranch InstalledUTC = $item.InstalledUTC Computername = $item.Computername } } } } else { Write-Warning "This command requires a Windows platform" } } #process End { Write-Verbose "[$((Get-Date).TimeOfDay)END ] Ending $($MyInvocation.MyCommand)" } #end } #close function Function Get-WindowsVersionString { [cmdletbinding()] [OutputType("System.String")] Param ( [Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$Computername = $env:COMPUTERNAME, [PSCredential]$Credential, [switch]$UseSSL, [Int32]$ThrottleLimit, [ValidateSet('Default', 'Basic', 'Credssp', 'Digest', 'Kerberos', 'Negotiate', 'NegotiateWithImplicitCredential')] [ValidateNotNullOrEmpty()] [string]$Authentication = "default" ) Begin { Write-Verbose "[$((Get-Date).TimeOfDay) BEGIN ] Starting $($MyInvocation.MyCommand)" } #begin Process { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Calling Get-WindowsVersion" $results = Get-WindowsVersion @PSBoundParameters #write a version string for each computer ` foreach ($result in $results) { "{3} {0} Version {1} (OS Build {2})" -f $result.ProductName, $result.EditionID, $result.build, $result.computername } } #process End { Write-Verbose "[$((Get-Date).TimeOfDay) END ] Ending $($MyInvocation.MyCommand)" } #end } |