In dark network environment, definitions of Symantec Endpoint Protection Manager (SEPM) 14.3 RU1MP1 and older version is updated by Intelligent Updater (IU), i.e. JDB file.
However, Symantec Endpoint Protection (SEP) 14.3 RU1MP1 and older version clients do not update Virus definitions from SEPM.
SEP client system log:
An update for Virus and Spyware Definitions SDS Win64 failed to install. Error: Content update general error (0xE0010001), DuResult: General error (32).
SEPM 14.3 RU1MP1 (14.3.3580.1100) and older version
This issue is fixed in Symantec Endpoint Protection Manager 14.3 RU2 (14.3.4615.2000). For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec software.
ESCRT-6453