Public/Test-RebootRequired.ps1
|
<#
.SYNOPSIS Checks if a Windows system requires a reboot due to pending operations. .DESCRIPTION This function checks various system components to determine if a reboot is pending. It checks the Component Based Servicing (CBS), Windows Update, pending file rename operations, and Configuration Manager (SCCM) Client for any pending reboot requirements. .OUTPUTS [bool] Returns true if a reboot is pending, otherwise false. .EXAMPLE Test-RebootRequired Checks if the system requires a reboot and returns a Boolean value. $params1 = @{ ComputerName = "vdurjmp001" ScriptBlock = ${function:Test-RebootRequired} } Invoke-Command @params1 Checks if the system requires a reboot on remote computer and returns a Boolean value. .NOTES Author: Sundeep Eswarawaka #> function Test-RebootRequired { [CmdletBinding()] [OutputType([bool])] $result = @{ CBSRebootPending = $false WindowsUpdateRebootRequired = $false FileRenamePending = $false SCCMRebootPending = $false } # Check Component Based Servicing registry for pending reboot if (Test-Path "HKLM:Software\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending") { $result.CBSRebootPending = $true } # Check Windows Update registry for reboot requirement if (Test-Path "HKLM:SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired") { $result.WindowsUpdateRebootRequired = $true } # Check for pending file rename operations $prop = Get-ItemProperty "HKLM:SYSTEM\CurrentControlSet\Control\Session Manager" -Name PendingFileRenameOperations -ErrorAction SilentlyContinue if ($prop) { $result.FileRenamePending = $true } # Check SCCM Client for reboot pending try { $util = [wmiclass]"\\.\root\ccm\clientsdk:CCM_ClientUtilities" $status = $util.DetermineIfRebootPending() if ($status.RebootPending) { $result.SCCMRebootPending = $true } } catch {} #return $result.Values -contains $true return $result } |