$kerberosSettingsDataRef = $wsmanConnectionObject.NewReference("SELECT * FROM AMT_KerberosSettingData WHERE InstanceID='Intel (r) AMT: Kerberos Settings'")
$inputObject = $kerberosSettingsDataRef.CreateMethodInput("SetCredentialCacheState")
$inputObject.SetProperty("Enable", "false")
$outputObject = $kerberosSettingsDataRef.InvokeMethod($inputObject)
$returnValue = $outputObject.GetProperty("ReturnValue")