Public/Get-PendingUpdates.ps1
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<#
.SYNOPSIS Retrieves the updates waiting to be installed from WSUS .DESCRIPTION Retrieves the updates waiting to be installed from WSUS .PARAMETER Computername Computer or computers to find updates for. .EXAMPLE Get-PendingUpdates Description ----------- Retrieves the updates that are available to install on the local system .NOTES Author: Boe Prox #> Function Get-PendingUpdates { [CmdletBinding(DefaultParameterSetName = 'computer')] Param ( [Parameter(ValueFromPipeline = $True)] [string[]]$ComputerName = $env:COMPUTERNAME ) Process { foreach ($computer in $Computername) { If (Test-Connection -ComputerName $computer -Count 1 -Quiet) { Try { # Create Session COM object Write-Verbose "Creating COM object for WSUS Session" $updatesession = [activator]::CreateInstance([type]::GetTypeFromProgID("Microsoft.Update.Session",$computer)) } Catch { Write-Warning "$($Error[0])" Break } # Configure Session COM Object Write-Verbose "Creating COM object for WSUS update Search" $updatesearcher = $updatesession.CreateUpdateSearcher() # Configure Searcher object to look for Updates awaiting installation Write-Verbose "Searching for WSUS updates on client" $searchresult = $updatesearcher.Search("IsInstalled=0") # Verify if Updates need installed Write-Verbose "Verifing that updates are available to install" If ($searchresult.Updates.Count -gt 0) { # Updates are waiting to be installed Write-Verbose "Found $($searchresult.Updates.Count) update\s!" # Cache the count to make the For loop run faster $count = $searchresult.Updates.Count # Begin iterating through Updates available for installation Write-Verbose "Iterating through list of updates" For ($i=0; $i -lt $Count; $i++) { # Create object holding update $Update = $searchresult.Updates.Item($i) [pscustomobject]@{ Computername = $Computer Title = $Update.Title KB = $($Update.KBArticleIDs) SecurityBulletin = $($Update.SecurityBulletinIDs) MsrcSeverity = $Update.MsrcSeverity IsDownloaded = $Update.IsDownloaded Url = $($Update.MoreInfoUrls) Categories = ($Update.Categories | Select-Object -ExpandProperty Name) BundledUpdates = @($Update.BundledUpdates) | foreach { [pscustomobject]@{ Title = $_.Title DownloadUrl = @($_.DownloadContents).DownloadUrl } } } } } Else { #Nothing to install at this time Write-Verbose "No updates to install." } } Else { #Nothing to install at this time Write-Warning "$($c): Offline" } } } } |