If the icon License Manager in the dashboard is in Yellow, this is because the BQN server cannot reach the license manager. The license manager is responsible of validating BQN SW licenses and also helps Bequant to provide a more proactive support by reporting server problems.
Make sure the BQN server can initiate outgoing connections to the License Manager IP (contact Bequant support for details).
To verify that an outgoing connection is possible, log as root and a telnet to the provided IP and port should work: