Get-UpdateHistory

Windows: Retrieves the history of installed updates

Script

#Requires -Version 5.1

[CmdletBinding()]
Param
(
    [int]$MaxEvents = 50,

    [string]$ComputerName = $env:COMPUTERNAME,

    [pscredential]$Credential
)

Process {
    try {
        $scriptBlock = {
            Param($Count)
            $objSession = New-Object -ComObject "Microsoft.Update.Session"
            $objSearcher = $objSession.CreateUpdateSearcher()
            $totalCount = $objSearcher.GetTotalHistoryCount()
            
            $history = $objSearcher.QueryHistory(0, [math]::Min($totalCount, $Count))
            
            $results = foreach ($entry in $history) {
                [PSCustomObject]@{
                    Title       = $entry.Title
                    Date        = $entry.Date
                    Operation   = switch ($entry.Operation) {
                        1 { "Installation" }
                        2 { "Uninstallation" }
                        3 { "Other" }
                        default { "Unknown" }
                    }
                    ResultCode  = switch ($entry.ResultCode) {
                        2 { "Success" }
                        3 { "SuccessWithErrors" }
                        4 { "Failed" }
                        5 { "Aborted" }
                        default { "Other ($($entry.ResultCode))" }
                    }
                    Description = $entry.Description
                    SupportUrl  = $entry.SupportUrl
                }
            }
            $results
        }

        if ($ComputerName -ne $env:COMPUTERNAME) {
            $invokeParams = @{
                'ComputerName' = $ComputerName
                'ScriptBlock'  = $scriptBlock
                'ArgumentList' = $MaxEvents
                'ErrorAction'  = 'Stop'
            }
            if ($null -ne $Credential) {
                $invokeParams.Add('Credential', $Credential)
            }

            $result = Invoke-Command @invokeParams
        }
        else {
            $result = &$scriptBlock -Count $MaxEvents
        }

        $results = foreach ($r in $result) {
            $r | Add-Member -MemberType NoteProperty -Name ComputerName -Value $ComputerName -PassThru
        }

        Write-Output ($results | Sort-Object Date -Descending)
    }
    catch {
        throw
    }
}

Customize

MaxEvents int

Specifies the maximum number of history entries to retrieve. Defaults to 50.

ComputerName string

Specifies the name of the target computer. Defaults to the local computer.

env string

Credential pscredential

Specifies a PSCredential object for remote connection.