$wifiPortConfigurationServiceRef = $wsmanConnectionObject.NewReference("SELECT * FROM AMT_WiFiPortConfigurationService WHERE Name='Intel(r) AMT WiFi Port Configuration Service'")
$inputObject = $wifiPortConfigurationServiceRef.CreateMethodInput("DeleteAllITProfiles")
$outputObject = $wifiPortConfigurationServiceRef.InvokeMethod($inputObject)
$returnValue = $outputObject.GetProperty("ReturnValue")