How to set up two DNS servers in the same domain

[Raziel014]

Hi!

We have two domain controllers in our domain. One is the primary domain controller.

How should I set up the DNS servers?

Cause we've had lots of problems with this and can't seem to understand it. What zones needs to be primary and what zones needs to be secondary? Can the zones on both DNS servers be primary? How should I set up IP config for these to work correctly?

When I run nslookup on the first DNS server (primary domain controller) I get the name of the same server I run it on. Namely the main domain controller.

When I run nslookup on the second DNS server, I only get an error.

DNS request timed out.
timeout was 2 seconds.
*** Can't find server name for adress 10.82.76.22: Timed out
Default Server: Unknown
Adress: 10.82.76.22

What's wrong?

 

[58sniper]

In Windows 2003, there is no such thing as a PDC or BDC.

Make sure that both servers are using the IP address of the DNS server for their DNS configuration. AND ONLY THAT IP. Don't plug in third party DNS addresses.

Make sure your ISPs DNS servers are configured in the FORWARDERS:

How can I configure DNS forwarding for Internet connection?

http://www.petri.co.il/configure_dns_forwarding.htm

Once everything is working ok, you can configured DNS on the second server with zone transfers between it and the first DNS server.

Pat Richard, MCSE(2) MCSA:Messaging, CNA(2)

 

[Raziel014]

There's no primary domain controller in 2003 Server? Ok.

"Make sure that both servers are using the IP address of the DNS server for their DNS configuration. AND ONLY THAT IP. Don't plug in third party DNS addresses."

Here you mean TCP/IP settings right? There's only one IP spesified here on both servers. The first one has it's own IP and the second one has the first server as DNS here.

"Make sure your ISPs DNS servers are configured in the FORWARDERS"

This also on both DNS servers I reckon? We have two zones. The first DNS server has it forwarding to out ISP and the second server has the forwarding set to the first DNS server.

Is there anything else? Cause there's nothing here I haven't already done and it's not working correctly. Logon is extremely slow and the logon script doesn't even run.

 

[58sniper]

Actually, configure the second to forward to the ISP, not the first server.

Configure zone transfers for each zone, for each server.

Make sure that if you're using DHCP, that the DNS server it's giving out is the IP address of your AD DNS server ONLY.

Pat Richard, MCSE(2) MCSA:Messaging, CNA(2)

 

[Raziel014]

Ok, so would this be correct?

http://img161.imageshack.us/img161/8426/utennavn7ms.jpg

If not, would you mind cheching it up a bit?

 

[Raziel014]

Ok, still nothing works. I just can't understand this!

 

[NewbieVN]

1. You can use the option "AD intergrated" for DNS when setup DNS service on DC1 and DC2. This will automatically make a replicat for both of them.
2. To resolve the error when use nslookup on DC2, you just create pointer record (PTR) for DC2, that's all.

Hope this helps.