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Auto Netwok Settings Auto DNS vs ISP DNS

When I plug a computer into my network should it automatically detect my DNS server or detect my ISP DNS server from comcast.

The network is has a 2008 Server r2 domain. When I plug another server into this network and leave the nic settings on auto. DHCP ip is assigned to the server but the DNS is from comcast my internet provider and not my network DNS server.

Is that correct or is there some way to detect my DNS server automatically without having to manually type it in>

ASKER CERTIFIED SOLUTION

Brian Pierce

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Venkat Suresh

Agree with KCTS, for better understanding check this link.

DNS Best Practices

Cliff Galiher

To be very clear, DNS servers are not "auto detected" at all. So if new servers or clients are getting Comcast DNS servers, hat is a problem with your DHCP server. I agree with the others that you should not be using ISP DNS servers, but that means you need to fix your DHCP setup.

CompProbSolv

Just adding to the other accurate answers....

I would bet that your Comcast router is acting as a DHCP server. While that CAN work, I much prefer using the Windows server for DHCP. In any case, as the others suggested, make sure that your DHCP server is configured to give the IP address of the Server 2008 computer, which should also be running a properly-configured DNS server.