Hello,
Check these Articles:
How to move Symantec Endpoint Protection Manager 12.1 from one machine to another
http://www.symantec.com/docs/TECH171767
If you are planning to upgrade or migrate to Symantec Endpoint Protection 12.1.5, please take a look at the latest how-to article created by our very own SEP content council team.
Best practices for upgrading to Symantec Endpoint Protection 12.1.x
http://www.symantec.com/business/support/index?page=content&id=TECH163700
Move Endpoint Protection Manager to another server without breaking client communications or losing data
http://www.symantec.com/docs/TECH171767
Hope that helps!!