Check-PendingReboot
Check for pending reboots
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 $false
}
}
try {
[string]$reply = "? No pending reboot."
if ($IsLinux) {
if (Test-Path "/var/run/reboot-required") {
$reply = "?? Pending reboot (found: /var/run/reboot-required)"
}
} else {
$reason = ""
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired") {
$reason += ", ...\Auto Update\RebootRequired"
}
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\PostRebootReporting") {
$reason += ", ...\Auto Update\PostRebootReporting"
}
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending") {
$reason += ", ...\Component Based Servicing\RebootPending"
}
if (Test-Path -Path "HKLM:\SOFTWARE\Microsoft\ServerManager\CurrentRebootAttempts") {
$reason += ", ...\ServerManager\CurrentRebootAttempts"
}
if (Test-RegistryValue -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing" -Value "RebootInProgress") {
$reason += ", ...\CurrentVersion\Component Based Servicing with 'RebootInProgress'"
}
if (Test-RegistryValue -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing" -Value "PackagesPending") {
$reason += ", '...\CurrentVersion\Component Based Servicing' with 'PackagesPending'"
}
if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager" -Value "PendingFileRenameOperations2") {
$reason += ", '...\CurrentControlSet\Control\Session Manager' with 'PendingFileRenameOperations2'"
}
if (Test-RegistryValue -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" -Value "DVDRebootSignal") {
$reason += ", '...\Windows\CurrentVersion\RunOnce' with 'DVDRebootSignal'"
}
if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon" -Value "JoinDomain") {
$reason += ", '...\CurrentControlSet\Services\Netlogon' with 'JoinDomain'"
}
if (Test-RegistryValue -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon" -Value "AvoidSpnSet") {
$reason += ", '...\CurrentControlSet\Services\Netlogon' with 'AvoidSpnSet'"
}
if ($reason -ne "") {
$reply = "?? Pending reboot (registry has $($reason.substring(2)))"
}
}
Write-Host $reply
exit 0 # success
} catch {
"?? ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
exit 1
}