Symantec endpoint protection definitions not updating
The article covers things like ensuring all SEP clients and SEPMS are running the latest maintenance release, using the Group Update Provider (GUP) for content distribution, and how to ensure out-of-date SEP clients to still get incremental updates.
It even explains the best way to use a MS-SQL database for large environments.
gid=sep Download the definitions for Symantec Endpoint Protection Manager 12.1 (format).
The file is located in the SEPM folder on the installation media.
Also, tune the scheduling frequency down to one hour.
For all other locations, make sure you use the SEP Manager to distribute product software and content updates.
The filename is Procedure: Step 1) Check the Symantec Live Update version installed.
This can be done by locating the log.liveupdate file on the computer.