Symantec endpoint protection client not updating management server
When you download content to Symantec Endpoint Protection Manager, you download the content for all the management servers in the site.
You can specify either an external Symantec Live Update server (recommended), or one or more internal Live Update servers that have previously been installed and configured.
See Choose a distribution method to update content on clients.
Live Update content revisions are stored differently on the management server than in Symantec Endpoint Protection Manager versions earlier than 12.1.5.
You should not install Symantec Endpoint Protection Manager and an internal Live Update server on the same physical hardware or virtual machine.
Installation on the same computer can result in significant server performance problems.
See Testing engine updates before they release on Windows clients..
You can add more than one server for failover purposes.
TEM managed clients should receive updates automatically from the server.
Scans on these clients automatically use the extended definitions set in the cloud.
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.
If you add the public server, use If you use a UNC server, then Live Update requires that you use the domain or workgroup as part of the user name.
If the computer is in a domain, use the format domain_name\user_name.