Dear, I am using Microsoft Windows Server 2003 and in client side Windows XP My problem is when I choose a name for a system client win XP named STR31 and I am successfully able to join the domain first time and if this client Windows corrupted and I reinstall the Win XP on it and again set computer named STR31 and trying to join the domain but it showing error and not joining the domain. I tried multiple time but still showing Error but if I change the name of this client from STR31 To PSC01 and then trying to join the domain it successfully no any problem I faced. This problem only occurs with the local administrator The Default Bulletin administrator account isn't creating any problems. What is the Problem? Thanks