Managed Symantec Endpoint Protection (SEP) clients do not update virus definitions.
These clients are configured to receive their updates from their Symantec Endpoint Protection Manager (SEPM).
The information in this topic can help you to select and configure these methods.
To update antimalware definitions, you can use one or more of the following methods: You can configure multiple definition update sources and control the order in which they are assessed and applied.
This is done in the Configure Definition Update Sources dialog box when you create an antimalware policy.
You can configure Configuration Manager software updates to deliver definition updates to client computers.
If the database server is out of space or if the table used to store definitions has reached its quota, there will likely be error messages in the Windows Event Logs.
For an example, please see Could not allocate space for object 'dbo.The SEPM shows old virus definitions in "Admin Server Activity logs may provide details on the nature of the failure.One possible cause is that old or corrupted virus definitions present on the SEPM prevent the SEPM's ability to update the SEP clients with new virus definitions.That doesn’t mean we’re not going to be posting new content for Endpoint Protection, just that you’ll need to look for it over…If you choose to participate, the online survey will be presented to you when you leave the Technet Web site. Although using Configuration Manager software updates is the recommended method to keep definitions up to date, you can also configure WSUS as a method to allow users to manually initiate definition updated.