Endpoint Protection

Team,

I am facing problem in my sep clients system are not getting updated with latest dat version. I try manually removing the  corrupted definition files . But still no luck . Please suggest how to get it fixed is their any tools available

Symantec Endpoint Protection: LiveUpdate Troubleshooting Flowchart

is the client communicating with the manager?
you see the green dot?

Do you have green dot on the clients in server and in the client?If no check this also in the client
Check for the registry entries.
 
1. HKCU\SOFTWARE\Microsoft\Windows\Currentversion\Internet settings Click on the internet setting key check for the keys called "ProxyEnable" if it is set to 1 then change it to 0 also check if there is a registry value called "GlobalUserOffline" if it is present delete it
2. Now expand Internet settings key and take a backup of the "Connections" key, Delete the entire key
 
3. Check HKU\.Default\SOFTWARE\Microsoft\Windows\Currentversion\Internet settings Click on the internet setting key check for the keys called "ProxyEnable" if it is set to 1 then change it to 0 also check if there is a registry value called "GlobalUserOffline" if it is present delete it.
 
4. expand "Internet settings" key in the above said location and take a backup of the "Connections" key, Delete the entire key
 
5. Reboot the machine.

A few most common issues in LiveUpdate is in the document below.
http://service1.symantec.com/SUPPORT/ent-security.nsf/docid/2000011711183348

Please try these.