SCJBServerTeamTools

2025.1.6.1

Private/_GetInstalledUpdates.ps1

function _GetInstalledUpdates {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        $Identity
    )

    begin {
        $ScriptBlock = { $Session = New-Object -ComObject 'Microsoft.Update.Session'
            $Searcher = $Session.CreateUpdateSearcher()

            $historyCount = $Searcher.GetTotalHistoryCount()

            $Searcher.QueryHistory(0, $historyCount) | Select-Object Title, Description, Date, @{name = 'Operation'; expression = { switch ($_.operation) {
                        1 {
                            'Installation'
                        }; 2 {
                            'Uninstallation'
                        }; 3 {
                            'Other'
                        }

                    } }
            }
        }
    }

    process {
        if ($Identity -eq $env:COMPUTERNAME) {
            $Output = Invoke-Command -ScriptBlock $ScriptBlock
        }
        else {
            $Session = New-PSSession -ComputerName $Identity -ErrorAction SilentlyContinue
            If (!($Session)) {
                Return 'Offline'
            }

            $Output = Invoke-Command -Session $Session -ScriptBlock $ScriptBlock
        }
    }

    end {
        return $Output
    }
}