PowerShell/Docs/check-pending-reboot.md
2022-12-04 10:40:18 +01:00

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## The *check-pending-reboot.ps1* Script
check-pending-reboot.ps1
## Parameters
```powershell
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
## Source Code
```powershell
<#
.SYNOPSIS
Check for pending reboots
.DESCRIPTION
This PowerShell script checks different registry keys and values to determine if a reboot is pending.
.EXAMPLE
./check-pending-reboot.ps1
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
function Test-RegistryValue { param([parameter(Mandatory=$true)][ValidateNotNullOrEmpty()]$Path, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()]$Value)
try {
Get-ItemProperty -Path $Path -Name $Value -EA Stop
return $true
} catch {
return $false
}
}
$Reason = ""
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired") {
$Reason += ", found registry entry '...\WindowsUpdate\Auto Update\RebootRequired'"
}
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\PostRebootReporting") {
$Reason += ", found registry entry '...\WindowsUpdate\Auto Update\PostRebootReporting'"
}
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending") {
$Reason += ", found registry entry '...\Component Based Servicing\RebootPending'"
}
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\ServerManager\CurrentRebootAttempts") {
$Reason += ", found registry entry '...\ServerManager\CurrentRebootAttempts'"
}
if (Test-RegistryValue -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing" -Value "RebootInProgress") {
$Reason += ", found registry entry '...\CurrentVersion\Component Based Servicing' with 'RebootInProgress'"
}
if (Test-RegistryValue -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing" -Value "PackagesPending") {
$Reason += ", found registry entry '...\CurrentVersion\Component Based Servicing' with 'PackagesPending'"
}
#if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager" -Value "PendingFileRenameOperations") {
# $Reason += ", found registry entry '...\CurrentControlSet\Control\Session Manager' with 'PendingFileRenameOperations'"
#}
if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager" -Value "PendingFileRenameOperations2") {
$Reason += ", found registry entry '...\CurrentControlSet\Control\Session Manager' with 'PendingFileRenameOperations2'"
}
if (Test-RegistryValue -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" -Value "DVDRebootSignal") {
$Reason += ", found registry entry '...\Windows\CurrentVersion\RunOnce' with 'DVDRebootSignal'"
}
if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon" -Value "JoinDomain") {
$Reason += ", found registry entry '...\CurrentControlSet\Services\Netlogon' with 'JoinDomain'"
}
if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon" -Value "AvoidSpnSet") {
$Reason += ", found registry entry '...\CurrentControlSet\Services\Netlogon' with 'AvoidSpnSet'"
}
if ($Reason -ne "") {
"⚠️ Pending reboot ($($Reason.substring(2)))"
} else {
"✅ No pending reboot"
}
exit 0 # success
```
*Generated by convert-ps2md.ps1 using the comment-based help of check-pending-reboot.ps1*