Hi,
Thank you for posting in Symantec community.
I would be glad to answer your query.
Check this article & let me know which scenerio you may have.
https://www-secure.symantec.com/connect/articles/hot-move-sepm-one-server-another-server
1) SEPM is having same hostname and IP address.
2) SEPM server has a different IP and same hostname
OR
SEPM server has a same IP and different hostname.
3) SEPM server has a differenet IP and different hostaname.
Let me know which scenerio you will follow.
Also share total number of clients and number of GUP's if there any.