I'm having a bit of an issue with an old PowerMac G4 running Leopard. Since day 1 of Leopard the computer has been named G4T with the login as Dave. This has worked fine for over a year, then recently something apparently changed and I don't know what it is. The problem is now it thinks it is G4T-2 and I can't seem to get it changed back. The symptoms don't make a whole lot of sense to me either: Windows 7 Professional 64bit sees the computer as G4T in Network. This is great, and what I'm trying to have it show up as. My Belkin router's DHCP Client List has it showing as G4T-2 Both my Powerbook and my Mac Mini also see the PowerMac as G4T-2 What I've tried to do so far (with unsuccessful results): Change the Computer Name in the WINS tab from Advanced on the Network System Preference panel. I've changed it to G4T, G4Tower and then back to G4T all with reboots inbetween, all with the same results as above. Based on this page I typed in the terminal:sudo scutil --set HostName G4T.domain.com Tried turning off the Macs on the network, then rechecking the Computer Name on the PowerMac, then rebooting my router. I also tried shutting down the PowerMac, then rebooting the router, then booting the PowerMac back up. At this point I don't really know what else to do or where the problem actually lies. I'm thinking it might be my router but I don't know why reboots wouldn't fix it. Any suggestions?