Install-WindowsUpdate.ps1
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function Install-WindowsUpdate { <# .Synopsis Installs windows updates .Description Installs windows updates discovered with Find-WindowsUpdate .Example Find-WindowsUpdate -Recommended | Install-WindowsUpdate .Link Find-WindowsUpdate #> [CmdletBinding(DefaultParameterSetName='UpdateName')] param( # The update object [Parameter(ValueFromPipeline=$true, Mandatory=$true, ParameterSetName='UpdateObject')] [ValidateScript({ if ($_.pstypenames -notcontains 'System.__ComObject#{c1c2f21a-d2f4-4902-b5c6-8a081c19a890}') { throw "Not a windows update" } return $true })] $UpdateObject, # If set, will automatically reboot if an update requires it. [Switch] $Force ) begin { $objCollection = New-Object -ComObject "Microsoft.Update.UpdateColl" $objServiceManager = New-Object -ComObject "Microsoft.Update.ServiceManager" $objSession = New-Object -ComObject "Microsoft.Update.Session" } process { if ($psCmdlet.ParameterSetName -eq 'UpdateObject') { $UpdateObject.AcceptEula() $null = $objCollection.Add($UpdateObject) } } end { $objCollection2 = New-Object -ComObject "Microsoft.Update.UpdateColl" foreach($Update in $objCollection) { $objCollectionTmp = New-Object -ComObject "Microsoft.Update.UpdateColl" $null = $objCollectionTmp.Add($Update) $Downloader = $objSession.CreateUpdateDownloader() $Downloader.Updates = $objCollectionTmp try { $DownloadResult = $Downloader.Download() } Catch { if($_ -match "HRESULT: 0x80240044") { Write-Error "Must be an administrator" } return } switch -exact ($DownloadResult.ResultCode) { 0 { $Status = "NotStarted"} 1 { $Status = "InProgress"} 2 { $Status = "Downloaded"} 3 { $Status = "DownloadedWithErrors"} 4 { $Status = "Failed"} 5 { $Status = "Aborted"} } $log = New-Object psobject if($Update.KBArticleIDs -ne "") {$KB = "KB"+$Update.KBArticleIDs} else {$KB = ""} $size = [System.Math]::Round($Update.MaxDownloadSize/1MB,2) $log | Add-Member -MemberType NoteProperty -Name Title -Value $Update.Title $log | Add-Member -MemberType NoteProperty -Name KB -Value $KB $log | Add-Member -MemberType NoteProperty -Name Size -Value $size $log | Add-Member -MemberType NoteProperty -Name Status -Value $Status $log | Select-Object Title, KB, @{e={$_.Size};n='Size [MB]'}, Status if($DownloadResult.ResultCode -eq 2) { $objCollection2.Add($Update) | out-null } $objCollectionTmp = New-Object -ComObject "Microsoft.Update.UpdateColl" $null = $objCollectionTmp.Add($Update) $objInstaller = $objSession.CreateUpdateInstaller() $objInstaller.Updates = $objCollectionTmp try { $InstallResult = $objInstaller.Install() } Catch { if($_ -match "HRESULT: 0x80240044") { Write-Error "Must be an administrator" return } } if(!$needsReboot) { $needsReboot = $installResult.RebootRequired } if ($needsReboot) { break } switch -exact ($InstallResult.ResultCode) { 0 { $Status = "NotStarted"} 1 { $Status = "InProgress"} 2 { $Status = "Installed"} 3 { $Status = "InstalledWithErrors"} 4 { $Status = "Failed"} 5 { $Status = "Aborted"} } $log = New-Object psobject if($Update.KBArticleIDs -ne "") {$KB = "KB"+$Update.KBArticleIDs} else {$KB = ""} $size = [System.Math]::Round($Update.MaxDownloadSize/1MB,2) $log | Add-Member -MemberType NoteProperty -Name Title -Value $Update.Title $log | Add-Member -MemberType NoteProperty -Name KB -Value $KB $log | Add-Member -MemberType NoteProperty -Name Size -Value $size $log | Add-Member -MemberType NoteProperty -Name Status -Value $Status $log | Select-Object Title, KB, @{e={$_.Size};n='Size [MB]'}, Status } if($needsReboot) { if($Force) { Restart-Computer -Force } else { Write-Error "Reboot required" return } } } } |