I have a win server03 set up in my house on a PC. Im using it as a training computer to practice excersizes to take the 70-290 exam. I have another computer with xp professional that i want to join to join it to the server03 domain. the computer name of the server is Server01, and the domain is contoso.com- when I try to join the domain with the xp prof, i get an error saying that "the domain controller for contoso.com can not be contacted". any ideas on what I can do to resolve this? thanks.1 person got this answerI do too