$tlsSettingDataRef = $wsmanConnectionObject.NewReference("SELECT * FROM AMT_TLSSettingData WHERE InstanceID='Intel(r) AMT 802.3 TLS Settings'")
$tlsSettingDataInstance = $tlsSettingDataRef.Get()
$tlsSettingDataInstance.SetProperty("AcceptNonSecureConnections", "false")
$tlsSettingDataRef.Put($tlsSettingDataInstance)
CommitChanges