Symantec endpoint protection liveupdate not updating
Live Update content revisions are stored differently on the management server than in Symantec Endpoint Protection Manager versions earlier than 12.1.5.Earlier releases stored full content for every revision.When you configure the management server to download Live Update content, you have to make a number of decisions.When you download content to Symantec Endpoint Protection Manager, you download the content for all the management servers in the site.14 also includes a dark network client that downloads the entire set of definitions.12.1.x standard clients require legacy standard-size content, which includes the entire set of definitions.12.1.6.x embedded/VDI clients require legacy reduced-size content.
See Testing engine updates before they release on Windows clients..
By default, the Symantec Endpoint Protection Manager downloads content updates from the public Symantec Live Update servers.
Symantec Endpoint Protection clients then download these updates from the Symantec Endpoint Protection Manager.
Installation on the same computer can result in significant server performance problems.
If you decide to use one or more internal Live Update servers, you may want to add the Symantec public Live Update server as the last entry.
If the management server does not download the content that your installed clients require, the clients cannot get updates from the management server.