Teamviewer 14 client kick off license host after connect

User PC of teamviewer able to see the remote host connection is connected to the client PC, but connection will drop after few seconds.

From the remote host is license host, and stay at blank screen few seconds then auto off. Even we tried free license host to remote in, results still the same.

Both teamviewer is updated to the latest teamviewer 14.7.1965

Please help~!