It's been a while since we replace sql 7 but I think you have run set up for sql 7 again to get the server you rename to work. Please don't feel too worry if it ask you to run set up. Go ahead and run setup from your software network file or cd, and it basicly just verified that everything is in place and will finish in about 1 to 2 minutes. It will not wipe out your server.

mom