We upgraded 3 macs and used Migration Assistant to move over all files and settings. This worked great. We have noticed that other computers with OSX 10.5 can no longer see the 10.6 macs on the network. All the settings should be the same and they worked before. Slightly unrelated, I also can't login to our backup server which was fine before. When I try to login using a login I know works on 10.5 it says its incorrect. Thanks for any help!