LiveUpdate settings policy for managed Symantec Endpoint Protection (SEP) for Linux clients is scheduled to run daily at 1:00 AM. The policy has a 2 hour retry window.
LiveUpdate is not starting at the scheduled time, each day it starts later than the previous day.
This issue is currently under investigation by Symantec. If you are experiencing this issue, please subscribe to this articles for updates when the fix is released.
To workaround, please set the LiveUpdate schedule with cron job on Linux.
This issue has been fixed in SEP version 12.1 RU6 MP8.
This issue has been fixed in SEP version 14.0 RU1.