Domain and Trust Relationship
Hi, I have made a two way trust relationship between two different domains and it’s working fine but I can’t ping any hostname of the other domain. Is it suppose to resolve the hostnames of the clients among domains? If yes, how to do so? Appreciate the assistance can be proposed. Thanks and Best Regards, J. N.
May 16th, 2010 3:51pm

To be able to resolve hostnames in each others names, the best way is to set up Conditional Forwarding on the DNS servers in both domains. Note that conditional forwarding is available on Windows Server 2003 and later. The conditional forwarders will need to point to the other domain's internal DNS servers. Configuring DNS Conditional Forwarding in Windows Server 2003 http://www.anitkb.com/2010/03/configuring-dns-conditional-forwarding.html Aside from the name resolution requirement, you also have to make sure that ICMP is allowed to flow through the network. If there are any perimeter firewalls between the hosts in the two domains, you will need to allows ICMP traffic to flow through.Visit my blog: anITKB.com, an IT Knowledge Base.
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May 16th, 2010 4:24pm

Did you verify the trust? You should be able to ping the servers if you have problem name resolution. How did you configure the DNS? Make sure your Firewall is allowing ICMP communication. Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX http://blogs.sivarajan.com/ http://publications.sivarajan.com/ This posting is provided "AS IS" with no warranties, and confers no rights.
May 16th, 2010 9:50pm

Hi, 1. What is the relationship between those two domain? Are they two domains in separate forests? Or are they parent and child domains with continuous name space? 2. Are there two DNS servers separately for the name resolution in two domain? If yes, please follow the advice from Jorge Mederos to configure forwarder (or secondary zone) to enable cross-namespace name resolution. 3. If those two domains are parent and child domains with continuous name space, do you have configured delegation/sub-domain? If you have any questions or concerns, please do not hesitate to let me know.
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May 17th, 2010 7:54am

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