Copy J2ee instance

Hi

We have copied the J2ee instance to another machine

and i have problems to get it running.

I have this error in work/std_server0.out

Loading: ClusterManager ... Aug 17, 2005 4:25:20 PM ...anagerImpl.init(java.util.Properties) [Thread[Thread-1,5,main]] Fatal: Canno

t attach to the Message Server. cluster Id is not unique.

Any ideas or tips ??