Public/Get-WindowsUpdates.ps1
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.Synopsis Helps a tech get around the GPO blocking computers from being able to run windows updates. .DESCRIPTION This script is in two parts. Part1: Fixes a GPO that disallows manual Windows Update. Part2: Finds and installs available Windows updates .EXAMPLE Just run it. Don't get fancy. .NOTES This needs to be ran as an Admin. You may have to edit the output path for the Download folder. If there's already a folder with the name, the script will execute within a minute. #> clear $registryPath = "HKLM:\software\policies\Microsoft\Windows\WindowsUpdate" $name = "DisableWindowsUpdateAccess" $value = "0" $foldername = Get-Random -maximum 100 $newname = "download$foldernum.old" Set-ItemProperty -Path $registryPath -name $name -value $Value -force |Out-Null Net stop wuauserv ren 'C:\Windows\SoftwareDistribution\download' $newname net start wuauserv #------------------------------------------------------ ## ------------------------------------------------------------------ ## PowerShell Script To Automate Windows Update ## Script should be executed with "Administrator" Privilege ## ------------------------------------------------------------------ $ErrorActionPreference = "SilentlyContinue" If ($Error) { $Error.Clear() } $Today = Get-Date $UpdateCollection = New-Object -ComObject Microsoft.Update.UpdateColl $Searcher = New-Object -ComObject Microsoft.Update.Searcher $Session = New-Object -ComObject Microsoft.Update.Session Write-Host Write-Host "`t Initialising and Checking for Applicable Updates. Please wait ..." -ForeGroundColor "Yellow" $Result = $Searcher.Search("IsInstalled=0 and Type='Software' and IsHidden=0") If ($Result.Updates.Count -EQ 0) { Write-Host "`t There are no applicable updates for this computer." } Else { $ReportFile = $Env:ComputerName + "_Report.txt" If (Test-Path $ReportFile) { Remove-Item $ReportFile } New-Item $ReportFile -Type File -Force -Value "Windows Update Report For Computer: $Env:ComputerName`r`n" | Out-Null Add-Content $ReportFile "Report Created On: $Today`r" Add-Content $ReportFile "==============================================================================`r`n" Write-Host "`t Preparing List of Applicable Updates For This Computer ..." -ForeGroundColor "Yellow" Add-Content $ReportFile "List of Applicable Updates For This Computer`r" Add-Content $ReportFile "------------------------------------------------`r" For ($Counter = 0; $Counter -LT $Result.Updates.Count; $Counter++) { $DisplayCount = $Counter + 1 $Update = $Result.Updates.Item($Counter) $UpdateTitle = $Update.Title Add-Content $ReportFile "`t $DisplayCount -- $UpdateTitle" } $Counter = 0 $DisplayCount = 0 Add-Content $ReportFile "`r`n" Write-Host "`t Initialising Download of Applicable Updates ..." -ForegroundColor "Yellow" Add-Content $ReportFile "Initialising Download of Applicable Updates" Add-Content $ReportFile "------------------------------------------------`r" $Downloader = $Session.CreateUpdateDownloader() $UpdatesList = $Result.Updates For ($Counter = 0; $Counter -LT $Result.Updates.Count; $Counter++) { $UpdateCollection.Add($UpdatesList.Item($Counter)) | Out-Null $ShowThis = $UpdatesList.Item($Counter).Title $DisplayCount = $Counter + 1 Add-Content $ReportFile "`t $DisplayCount -- Downloading Update $ShowThis `r" $Downloader.Updates = $UpdateCollection $Track = $Downloader.Download() If (($Track.HResult -EQ 0) -AND ($Track.ResultCode -EQ 2)) { Add-Content $ReportFile "`t Download Status: SUCCESS" } Else { Add-Content $ReportFile "`t Download Status: FAILED With Error -- $Error()" $Error.Clear() Add-content $ReportFile "`r" } } $Counter = 0 $DisplayCount = 0 Write-Host "`t Starting Installation of Downloaded Updates ..." -ForegroundColor "Yellow" Add-Content $ReportFile "`r`n" Add-Content $ReportFile "Installation of Downloaded Updates" Add-Content $ReportFile "------------------------------------------------`r" $Installer = New-Object -ComObject Microsoft.Update.Installer For ($Counter = 0; $Counter -LT $UpdateCollection.Count; $Counter++) { $Track = $Null $DisplayCount = $Counter + 1 $WriteThis = $UpdateCollection.Item($Counter).Title Add-Content $ReportFile "`t $DisplayCount -- Installing Update: $WriteThis" $Installer.Updates = $UpdateCollection Try { $Track = $Installer.Install() Add-Content $ReportFile "`t Update Installation Status: SUCCESS" } Catch { [System.Exception] Add-Content $ReportFile "`t Update Installation Status: FAILED With Error -- $Error()" $Error.Clear() Add-content $ReportFile "`r" } } } |