internal/functions/Test-PendingReboot.ps1
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function Test-PendingReboot { <# .SYNOPSIS Based on https://github.com/adbertram/PSSqlUpdater This function tests various registry values to see if the local computer is pending a reboot .NOTES Inspiration from: https://gallery.technet.microsoft.com/scriptcenter/Get-PendingReboot-Query-bdb79542 .EXAMPLE PS> Test-PendingReboot This example checks various registry values to see if the local computer is pending a reboot. #> [OutputType([bool])] [CmdletBinding()] param ( [Parameter(Mandatory)] [ValidateNotNullOrEmpty()] [DbaInstanceParameter]$ComputerName, [ValidateNotNullOrEmpty()] [pscredential]$Credential, [bool]$EnableException = $EnableException ) process { try { $icmParams = @{ ComputerName = $ComputerName.ComputerName Raw = $true } if ($PSBoundParameters.ContainsKey('Credential')) { $icmParams.Credential = $Credential } $OperatingSystem = Get-DbaCmObject -ComputerName $ComputerName.ComputerName -ClassName Win32_OperatingSystem # If Vista/2008 & Above query the CBS Reg Key If ($OperatingSystem.BuildNumber -ge 6001) { $PendingReboot = Invoke-Command2 @icmParams -ScriptBlock { Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing' -Name 'RebootPending' -ErrorAction SilentlyContinue } if ($PendingReboot) { Write-Message -Level Verbose -Message 'Reboot pending detected in the Component Based Servicing registry key' return $true } } # Query WUAU from the registry $PendingReboot = Invoke-Command2 @icmParams -ScriptBlock { Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update' -Name 'RebootRequired' -ErrorAction SilentlyContinue } if ($PendingReboot) { Write-Message -Level Verbose -Message 'WUAU has a reboot pending' return $true } # Query PendingFileRenameOperations from the registry $PendingReboot = Invoke-Command2 @icmParams -ScriptBlock { Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager' -Name 'PendingFileRenameOperations' -ErrorAction SilentlyContinue } if ($PendingReboot -and $PendingReboot.PendingFileRenameOperations) { Write-Message -Level Verbose -Message 'Reboot pending in the PendingFileRenameOperations registry value' return $true } return $false } catch { Stop-Function -Message "Failed to obtain any intormation from remote registry on $ComputerName" -ErrorRecord $_ } } } |