public/Test-RebootPending.ps1
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function Test-RebootPending { <# .SYNOPSIS Return true if a reboot is pending (local machine) .EXAMPLE if (Test-DsRebootPending) { ... } .NOTES Thanks to https://4sysops.com/archives/use-powershell-to-test-if-a-windows-server-is-pending-a-reboot/ .OUTPUTS True or False .LINK https://4sysops.com/archives/use-powershell-to-test-if-a-windows-server-is-pending-a-reboot/ #> [CmdletBinding()] [OutputType()] param () $pendingRebootTests = @( @{ Name = 'RebootPending' Test = { Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing' -Name 'RebootPending' -ErrorAction Ignore } TestType = 'ValueExists' } @{ Name = 'RebootRequired' Test = { Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update' -Name 'RebootRequired' -ErrorAction Ignore } TestType = 'ValueExists' } @{ Name = 'PendingFileRenameOperations' Test = { Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager' -Name 'PendingFileRenameOperations' -ErrorAction Ignore } TestType = 'NonNullValue' } ) $result = $false foreach ($test in $pendingRebootTests) { $result = Invoke-Command -ScriptBlock $test.Test if ($test.TestType -eq 'ValueExists' -and $result) { #Write-Verbose "$($test.Name) = TRUE" $result = $true } elseif ($test.TestType -eq 'NonNullValue' -and $result -and $result.($test.Name)) { #Write-Verbose "$($test.Name) = TRUE" $result = $true } else { #Write-Verbose "$($test.Name) = FALSE" } } $result } |