Could not connect to configured Repository Server. Shutting down the sever

I am trying to cluster IS in windows.after creating repository when i tried to restart my IS it is not coming up and displaying error message
"initRemoteRepositoryClient() exception: RMI Exception: Nam
ing lookup of Repository failed, Connection refused to host: 00.00.0.00; nested exception is:
java.net.ConnectException: Connection refused: connect
2007-09-04 17:01:58 IST [ISS.0014.0032C] Could not connect to configured Repository Server. Shutting down server".
now i need to start my IS can any body help me out?what changes i should perform so that IS can come up.