Help! I carelessly tried to join my notebook computer's Workgroup from my desktop computer. The desktop computer was a member of a domain established by my employer. The domain membership was lost when I rebooted. Now I can't log back in to Windows on that computer. I don't know what the administrator password is. The computer has some kind of remote login program accessible when the computer boots, but only the employer knows the password. Is there a tool I can use to log back in and recover the domain membership, without asking my employer's tech support dept. for help? I have a Windows XP home installation / boot disk.