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WindowsUpdate script for use with Start-ImageBuild.ps1
#requires -Version 2
Function Add-WindowsUpdate
{
param (
[string]$Criteria = "IsInstalled=0 and Type='Software'" ,
[switch]$AutoRestart,
[Switch]$ShutdownAfterUpdate,
[switch]$ForceRestart,
[Switch]$ShutdownOnNoUpdate
)
$resultcode = @{
0 = 'Not Started'
1 = 'In Progress'
2 = 'Succeeded'
3 = 'Succeeded With Errors'
4 = 'Failed'
5 = 'Aborted'
}
$updateSession = New-Object -ComObject 'Microsoft.Update.Session'
Write-Progress -Activity 'Updating' -Status 'Checking available updates'
$updates = $updateSession.CreateupdateSearcher().Search($Criteria).Updates
$updates
if ($updates.Count -eq 0)
{
Write-Verbose -Message 'There are no applicable updates.' -Verbose
if ($ShutdownOnNoUpdate)
{
Stop-Computer
}
}
else
{
$downloader = $updateSession.CreateUpdateDownloader()
$downloader.Updates = $updates
Write-Progress -Activity 'Updating' -Status "Downloading $($downloader.Updates.count) updates"
$Result = $downloader.Download()
$Result
if (($Result.Hresult -eq 0) -and (($Result.resultCode -eq 2) -or ($Result.resultCode -eq 3)) )
{
$updatesToInstall = New-Object -ComObject 'Microsoft.Update.UpdateColl'
$updates |
Where-Object -FilterScript {
$_.isdownloaded
} |
ForEach-Object -Process {
$null = $updatesToInstall.Add($_)
}
$installer = $updateSession.CreateUpdateInstaller()
$installer.Updates = $updatesToInstall
Write-Progress -Activity 'Updating' -Status "Installing $($installer.Updates.count) updates"
$installationResult = $installer.Install()
$installationResult
$Global:counter = -1
$installer.updates | Format-Table -AutoSize -Property Title, EulaAccepted, @{
label = 'Result'
expression = {
$resultcode[$installationResult.GetUpdateResult($Global:counter++).resultCode ]
}
}
if ($AutoRestart -and $installationResult.rebootRequired)
{
Restart-Computer
}
if ($ForceRestart)
{
Restart-Computer
}
if ($ShutdownAfterUpdate)
{
Stop-Computer
}
}
}
}
Start-Transcript -Path $PSScriptRoot\Patch.log
Add-WindowsUpdate -ForceRestart -ShutdownOnNoUpdate
Stop-Transcript
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