Error for unable to obtain a node locked or floating license


I am an official user for a few week, but today it goes out of this error warning frequently and I can’t access to my fdtd, what’s going wrong with it?

Please see this KX article:

This is a connection issue. Check that you are able to connect to the license server with IP address:
You might need the assistance of your IT department and make sure that they did not change any access or security settings on your network.


Thank you!!

You are welcome.