Hello,
I would suggest you to check these Articles:
How to move Symantec Endpoint Protection Manager from one machine to another
http://www.symantec.com/docs/TECH104389
Symantec Endpoint Protection 11.x: Best Practices for Disaster Recovery with the Symantec Endpoint Protection Manager
http://www.symantec.com/docs/TECH102333
Symantec Endpoint Protection 12.1: Best Practices for Disaster Recovery with the Symantec Endpoint Protection Manager
http://www.symantec.com/docs/TECH160736
How to move the Symantec Endpoint Protection Manager server to a new VM or server machine with a different IP.
http://www.symantec.com/docs/TECH95311
Hope that helps!!