[Ob1]

how many servers do you have on this local network? how many DC do you have? if you have only one domain controller, then it has to be that server if you are running active directory. go to administrative tools and look for dns and verify that it is installed and running.

go to a machine that is working, and do an ipconfig /all to find the ip address of the dns server, then use that ip address. for example, my DC runs dns so from my laptop when i run ipconfig /all i get this:

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . : Helpdesk.office
Description . . . . . . . . . . . : Intel(R) PRO/Wireless 2200BG Network
Connection
Physical Address. . . . . . . . . :
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.30.157 (obtained from Domain Controller)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.30.4 (Router)
DHCP Server . . . . . . . . . . . : 192.168.30.2 (Domain Controller)
DNS Servers . . . . . . . . . . . : 192.168.30.2 (Domain Controller)
Primary WINS Server . . . . . . . : 192.168.30.2 (Domain Controller)
Lease Obtained. . . . . . . . . . : Friday, October 20, 2006 2:23:22 PM
Lease Expires . . . . . . . . . . : Saturday, October 28, 2006 2:23:22 PM


in my case i would use 192.168.30.2 or since im plugged into the network or on a wireless connection on the same network as my Dns server i can just set it to obtain an ip address automatically since my DC is running both DHCP and DNS

are you connected via network cable or wireless connection?