Symantec Endpoint Protection (SEP) 14.2 RU1 clients do not update Intrusion Prevention Signature when Symantec Endpoint Protection Manager (SEPM) 14.2 RU1 is updated using JDB file.
SEPM 14.2 RU1
This issue is fixed in Symantec Endpoint Protection 14.2 RU2. For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec software.
To work around this issue: