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.
If a client is not receiving updates automatically, follow this process.
CAUTION: This document includes instructions for modifying the registry on your computer.
Note: If you are unable to stop the Symantec Management Client you will need to temporarily disable Tamper Protection.
Just a few days ago I noticed live update giving me an error message: Downloading catalog file (18 of 18), complete. Opening update list The digital signature found on the catalog file has been signed by Symantec Corporation.
Downloading catalog file (15 of 15), not available. For what it's worth, I am having the same problem with NAV2002.
Updated: September 14, 2015Applies To: System Center 2012 R2 Endpoint Protection, System Center 2012 Configuration Manager, System Center 2012 Configuration Manager SP2, System Center 2012 R2 Configuration Manager, System Center 2012 Endpoint Protection SP1, System Center 2012 Endpoint Protection, System Center 2012 R2 Configuration Manager SP1With Endpoint Protection in Microsoft System Center 2012 Configuration Manager, you can use any of several available methods to keep antimalware definitions up to date on client computers in your hierarchy.
TEM managed clients should receive updates automatically from the server.If you are on Campus UWNet, see Wireless UWNet - Unable to Connect, or call the Do IT Help Desk.If you are able to connect but cannot install updates, try restarting your computer before continuing.For more information, see Software Updates in Configuration Manager.This procedure is only for the items that must be specifically configured for Endpoint Protection.This is done in the Configure Definition Update Sources dialog box when you create an antimalware policy.