Hello,
In your case, you have lots of options
1) Move SEPM version 11 from old machine to New machine.
http://www.symantec.com/docs/TECH104389
and then Migrate to the Latest version of SEPM 12.1
and then Move the database to SQL.
2) Migrate the SEPM version 11 to SEPM 12.1 http://www.symantec.com/docs/TECH163602
then move the database to SQL
and then move the SEPM to new Server.
3) Move the SEPM version 11 Embedded database to SQL http://www.symantec.com/docs/TECH102547
then Migrate SEPM to Latest version of 12.1
and move the SEPM to latest Server
and so on..
Here are few Disaster Recovery Articles (very helpful Documents)
Symantec Endpoint Protection 12.1: Best Practices for Disaster Recovery with the Symantec Endpoint Protection Manager
http://www.symantec.com/docs/TECH160736
Symantec Endpoint Protection 11.x: Best Practices for Disaster Recovery with the Symantec Endpoint Protection Manager
http://www.symantec.com/docs/TECH102333
Hope this helps!!!