After logging into the Endpoint Protection Manager (SEPM), the out-of-date client count under Endpoint Status will show zero or an incorrect value. Clicking the out-of-date client link will show you the out-of-date clients.
Release : 14.3. RU1 MP1
This issue is fixed in Symantec Endpoint Protection 14.3 RU3. For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec software.