Stopping mandatory SCCM Reboot last minute

 

This is a PowerShell command to stop the automatic reboot that SCCM pushes out when updating a computer.

Source: https://happysccm.com/stopping-mandatory-sccm-reboot-last-minute/

Open an elevated PowerShell window and run the commands:

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#Clears Restart registry to stop SCCM restarting the machine Remove-Item -Path 'HKLM:\SOFTWARE\Microsoft\SMS\Mobile Client\Reboot Management\RebootData' Remove-Item -Path 'HKLM:\SOFTWARE\Microsoft\SMS\Mobile Client\Updates Management\Handler\UpdatesRebootStatus\*' Remove-ItemProperty -Name * -Path 'HKLM:\Microsoft\Windows\currentVersion\windowsupdate\Auto Update\RebootRequired' shutdown -a   #Disable as it starts ccmexec back up Disable-ScheduledTask -TaskPath "Microsoft\Configuration Manager" -TaskName "Configuration Manager Passport for Work Certificate Enrollment Task"   #Re-enable next boot $Action = New-ScheduledTaskAction -Execute "schtasks.exe" -Argument '/Change /TN "Microsoft\Configuration Manager\Configuration Manager Passport for Work Certificate Enrollment Task" /enable' $Trigger = New-ScheduledTaskTrigger -AtStartup; $Trigger.EndBoundary = (get-date).AddDays(90).ToString('s') $Settings = New-ScheduledTaskSettingsSet -DeleteExpiredTaskAfter 00:00:30 Register-ScheduledTask -Force -user SYSTEM -TaskName "Enable CM Passport Enrollment" -Action $Action -Trigger $Trigger -Settings $Settings       Stop-Service ccmexec -Force

To use it in a run script and get feedback we need to delay the restart of the service using scheduled task

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Remove-Item -Path 'HKLM:\SOFTWARE\Microsoft\SMS\Mobile Client\Reboot Management\RebootData' Remove-Item -Path 'HKLM:\SOFTWARE\Microsoft\SMS\Mobile Client\Updates Management\Handler\UpdatesRebootStatus\*' Remove-ItemProperty -Name * -Path 'HKLM:\Microsoft\Windows\currentVersion\windowsupdate\Auto Update\RebootRequired' shutdown -a   #Disable as it starts ccmexec back up Disable-ScheduledTask -TaskPath "Microsoft\Configuration Manager" -TaskName "Configuration Manager Passport for Work Certificate Enrollment Task"   #Re-enable next boot $Action = New-ScheduledTaskAction -Execute "schtasks.exe" -Argument '/Change /TN "Microsoft\Configuration Manager\Configuration Manager Passport for Work Certificate Enrollment Task" /enable' $Trigger = New-ScheduledTaskTrigger -AtStartup; $Trigger.EndBoundary = (get-date).AddDays(90).ToString('s') $Settings = New-ScheduledTaskSettingsSet -DeleteExpiredTaskAfter 00:00:30 Register-ScheduledTask -Force -user SYSTEM -TaskName "Enable CM Passport Enrollment" -Action $Action -Trigger $Trigger -Settings $Settings       $Action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument '-command Stop-Service ccmexec -Force' $Trigger = New-ScheduledTaskTrigger -Once -At (get-date).AddSeconds(10); $Trigger.EndBoundary = (get-date).AddSeconds(60).ToString('s') $Settings = New-ScheduledTaskSettingsSet -StartWhenAvailable -DeleteExpiredTaskAfter 00:00:30 Register-ScheduledTask -Force -user SYSTEM -TaskName "Stop ccmexec" -Action $Action -Trigger $Trigger -Settings $Settings Write-Host 'Restart cancelled. CCMEXEC Service will stop in 10 seconds'

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About Tom DeMeulenaere

Highly accomplished information technology professional with extensive knowledge in System Center Configuration Manager, Windows Server, SharePoint, and Office 365.