$messageLogRef = $wsmanConnectionObject.NewReference("SELECT * FROM AMT_MessageLog WHERE Name='Intel(r) AMT:MessageLog 1'")
$inputObject = $messageLogRef.CreateMethodInput("FreezeLog")
$inputObject.SetProperty("Freeze", "false") 
$outputObject = $messageLogRef.InvokeMethod($inputObject)
$returnValue = $outputObject.GetProperty("ReturnValue")