Oh yeah, it's worth mentioning that if you did configure your own account as the account clients use to check-in with the SEE Server, then you're in a bit of a pickle.
The account used by clients to check-in with the server is included in the client install package, and cannot be changed by policy, but instead requires a reinstall/upgrade of the Framework client on all your existing endpoints:
http://www.symantec.com/docs/TECH122714