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Setting up a domain trust relationship

Posted on 2008-10-13
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Last Modified: 2012-05-05
I need to setup a Windows Server 2003 domain trust between different domains in different forests. I have attempted to configure DNS but I can only ping the domain controller but not the other domain.

- How do I configure DNS to see the other domain.
- Once that is done, what do I need to do to do a two way trust.
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Question by:brjensen
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by:LauraEHunterMVP
LauraEHunterMVP earned 80 total points
ID: 22707450
To configure DNS in 2003 to allow name resolution for trusts, you have 3 options:

[1] Create a secondary zone for DomainB on the DNS servers in DomainA, and vice versa.
[2] Configure a conditional forwarder on the DNS servers in DomainA to forward all queries for DomainB to the DNS servers in DomainB, and vice versa.
[3] Create a stub zone in DomainA referencing the DNS servers in DomainB, and vice versa.

Once you have name resolution functioning in both directions, creating a trust is wizard-based and fairly simplistic.
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StrongBad_Rules earned 120 total points
ID: 22707490
Ensure that Domain Name System (DNS) is properly set up.

If there is a root DNS server that can be made the root DNS server for both of the forest DNS namespaces, make it the root server by ensuring that the root zone contains delegations for each of the DNS namespaces. Also, update the root hints of all DNS servers with the new root DNS server.

If there is no shared root DNS server and the root DNS servers for each forest DNS namespace are running a member of the Windows Server 2003 family, configure DNS conditional forwarders in each DNS namespace to route queries for names in the other namespace.

If there is no shared root DNS server, and the root DNS servers for each forest DNS namespace are not running a member of the Windows Server 2003 family, configure DNS secondary zones in each DNS namespace to route queries for names in the other namespace.
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