Go into System Properties -> Computer name and click the change computer name button. (Joining a domain is not possible for the XP home edition and probably not for Vista home)
Go into System Properties -> Computer name and click the change computer name button. (Joining a domain is not possible for the XP home edition and probably not for Vista home)
I'm no expert on domain setup, but the computer objects are automatically created in the Default computers container where I work when the computer is added to the domain.