Policies or communications settings from prior client installs are possibly causing communication issues with SEPM. How do I create an install package to clear these previous settings?
You deploy a client install package to a machine where an earlier build of Symantec Endpoint Protection 11 is installed and the migrated installation does not communicate with the SEPM. You check Help and Support, Troubleshooting, and the Server shows as Off-line.
There are multiple causes for client to SEPM communication failure. Creating a client install setting to clean previous client communication settings is only one of several recommended procedures to troubleshoot communication issues.
Creating Custom Client Install Setting.