Windows · PowerShell

Check for a Pending Reboot on Windows

Checks Windows Update, Component Based Servicing (CBS) and pending file rename entries. Reports why a reboot is needed.

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Script Library

Live data

28scripts

Windows18
macOS5
Linux5

By category

Network3
Disk and storage4
Inventory4
Security9
Updates4
Maintenance4

Last reviewed: November 6, 2026

CODE

Script

check-pending-reboot-windows.ps1

$reasons = @()
if (Test-Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending') { $reasons += 'CBS' }
if (Test-Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired') { $reasons += 'WindowsUpdate' }
$pfro = Get-ItemProperty 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager' -Name PendingFileRenameOperations -ErrorAction SilentlyContinue
if ($pfro) { $reasons += 'PendingFileRename' }
if ($reasons) { Write-Output "Reboot pending: $($reasons -join ', ')"; exit 1 } else { Write-Output 'No reboot pending.' }

Caution: Running a script is a sensitive action. Do not run code you have not read. A non-zero exit code shows as a failure in Moftgate output.

HOW IT WORKS

Run it on every device with Moftgate

01
Add the script
In the Moftgate console, open Scripts > New script and paste the code.
02
Select the OS
Select Windows as the target operating system.
03
Test it
Run it on one test device first and read the output.
04
Roll out
Send it to all targets by group, profile or tag. Each device result is recorded separately.