ByeByeItanium.ps1

# Get local wsus object.
[reflection.assembly]::LoadWithPartialName("Microsoft.UpdateServices.Administration") | out-null
$WsusServerAdminProxy = [Microsoft.UpdateServices.Administration.AdminProxy]::GetUpdateServer();

# Decline itanium updates.
$ItaniumUpdates = $WsusServerAdminProxy.GetUpdates() | ?{-not $_.IsDeclined -and $_.Title -match "IA64|Itanium" -and $_.Title -notmatch "x86|x64"}
If ($ItaniumUpdates) {
    $ItaniumUpdates | %{$_.Decline()}
}

# Clean up.
$CleanupScope = new-object Microsoft.UpdateServices.Administration.CleanupScope; 
$CleanupScope.CleanupObsoleteComputers    = $false
$CleanupScope.CleanupObsoleteUpdates      = $true
$CleanupScope.CompressUpdates             = $true
$CleanupScope.CleanupUnneededContentFiles = $true
$CleanupScope.DeclineSupersededUpdates    = $true
$CleanupScope.DeclineExpiredUpdates       = $true
$CleanupManager = $WsusServerAdminProxy.GetCleanupManager(); 
$CleanupManager.PerformCleanup($CleanupScope) > C:\WsusCleanUp.txt