1.>Make sure that your client computer is pointing to an internal DNS server as primary DNS one.
2>.Check time zone of the client computer.
3.>Check client can resolve server name by pinging .
4>Check network issue by pinging to server ip address.
5.> The trust between DC and client computer corrupted. In this case delete old computer account if the computer was previously member of the domain.
6> Check PDC emulator master is working OK.
7> Check other computer with the same name exists in the domain and DNS
8> Check you have Appropriate Rights to join computer in the domain.
If you have any questions feel free to contact me on firstname.lastname@example.org also follow me on facebook @windowstechno to get updates about new blog posts.