Get-PendingUpdate.ps1
something exciting
Some information about the exciting thing
Table of contents generated with markdown-toc
Script
Function Get-PendingUpdate {
<#
.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
#>
#Requires -version 3.0
[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-Object {
[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"
}
}
}
}
Download
Please feel free to copy parts of the script or if you would like to download the entire script, simple click the download button. You can download the complete repository in a zip file by clicking the Download link in the menu bar on the left hand side of the page.
Report Issues
You can report an issue or contribute to this site on GitHub. Simply click the button below and add any relevant notes. I will attempt to respond to all issues as soon as possible.