$iee8021xSettingsRef = $wsmanConnectionObject.NewReference("SELECT * FROM IPS_IEEE8021xSettings WHERE InstanceID='Intel(r) AMT: 8021X Settings'")
$iee8021xSettingsRef.CreateMethodInput("SetCertificates")
$iee8021xSettingsInstance.SetProperty("ServerCertificateIssuer", $rootCertificateRef)
$iee8021xSettingsInstance.SetProperty("ClientCertificate", $clientCertificateRef)
$outputObject = $iee8021xSettingsRef.InvokeMethod($iee8021xSettingsInstance)
$returnValue = $outputObject.GetProperty("ReturnValue")