You cannot move clients from
one domain to other from console .. If you want to move clients you can use
sylink drop or sylink remote for more about sylink remote refer the links below
Sylink Remote
https://www-secure.symantec.com/connect/downloads/sylink-remote
How to run the SYLINK REMOTE
to Replace the Sylink Remotely
https://www-secure.symantec.com/connect/articles/how-run-sylink-remote-replace-sylink-remotely
How ever an idea has been
posted for this
Ref: https://www-secure.symantec.com/connect/idea/allow-sepm-admins-move-computers-between-sepm-domains