Hello shalafi71,
In order to allow us to investigate your issue, could you please send us the logs (server and client sides) ? You can send them to forum[at]nomachine[dot]com, making sure you reference this topic.
If needed, you can find the procedure explained in the following article: “How to gather debug logs for support requests” (https://www.nomachine.com/AR07K00677).
Best regards.