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Two Way Trust Setup Fails: cannot create both sides of the trust because a primary domain controller for the specified domain cannot be contacted

Posted on 2010-08-30
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Last Modified: 2012-05-10
I can look in WINS and see the second domain's members, but when I try to create the two way external trust, both this domain and specified domain are trusted I get the error.

Cannot create both sides of the trust because a primary domain controller for the specified domain cannot be contacted.  

The operation failed.  The error is the Operation completed successfully.
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Question by:ehess
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Expert Comment

by:danielswanson
ID: 33562504
Using windows support tools run dcdiag on both domains from a domain controller. This will help get you started in tracking down issues.

Also run nslookup <domain name> where domain name is the fully qualifed name of your windows domain. make sure that all the returned ip addresses are available. do this from both sides of the trust your attempting to establish.
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by:ehess
ID: 33563196
When I run the nslookup FQDN of my domain name, my DC IPs are returned.  When I run nslookup of the other FQDN nothing is returned can't find FQDN:  Non-existent domain.  
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danielswanson earned 500 total points
ID: 33563434
That is definately going to be a problem. You need to be able to resolve from your domain to the other domain and your other domain needs to resolve to your domain. Start looking into your dns setup. You need to configure the dns server on your domain to forward requests to the other domain from their dns server.

example you domain is called domaina.com, the other domain is called domainb.com
domaina 's dns server needs to be configured so that any dns requests for domainb.com get forwarded to the dns server of domain b. You also need to configure this the other way around from the other domain.

you just need to configure the dns forwarders on each side.
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