It is noted that when managers listed under priority 1 in the management server list (MSL) are not available, clients failing over to priority 2 manager are only contacting the first server listed in priority 2.
This issue is fixed in Symantec Endpoint Protection 14.2 RU1 MP1. For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec Endpoint Protection.