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Can't authenticate to trusted domain

Posted on 2011-09-13
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I have a forest with two domains - D1 and D2; functional level is 2003.  I built a new domain in a new forest - NewD; functional level is 2008.  I need to be able to authenticate D1 users in NewD.  DNS is set up with secondary zones for the other domain in each domain, and zone transfers are working.  I made a two-way domain trust (NOT a forest trust) between the two domains, and it validated.  My problem:  I can authenticate in D1 with NewD users, but when I go to NewD, the D1 domain does not show up in the list of available domains, so I can't authenticate D1 users in the NewD domain.

Two questions:  can I use stub zones instead of  secondary zones in the DNS?  and do I need to do a two-way FOREST trust for the authentication to work?  Or maybe there is just some setting I am missing in my 2008 DCs that will allow the D1 domain to be seen.  Any help is much appreciated.

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Question by:laugle
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by:AnthonyHamon
ID: 36531286
Question 1:
Yes, you can use stub zones in DNS rather than secondary zones.

Question 2:
There is no reason to use a forest trust, I would expect the external domain trust that you have configured to work.  Although the D1 domain is not in the domain list when logging onto a workstation in the NewD domain, it may be possible to authenticate a D1 user by specifying the username as <username>@D1, where D1 is the FQDN of the domain (not the NetBIOS name).
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Author Comment

by:laugle
ID: 36531375
Would that work in setting permissions for resources as well?  In both GPO and AD Users & Computers, I need to set permissions for administrators and users, and I haven't been able to because of the issue where the domain will not show up.
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Author Comment

by:laugle
ID: 36531546
I cannot set permissions using groups without NewD active directory being able to see D1.  Without that, I can't log in using my admin account from D1, and I can't administer the domain with my D1 credentials.  Any idea why the AD can't see the D1 domain?
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laugle earned 0 total points
ID: 36537826
Found the answer - the 2008 domain was not running WINS.  Domain to domain trusts use WINS, forest trusts use DNS.
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Author Closing Comment

by:laugle
ID: 36558778
This was the way I got it to work - I couldn't use a forest trust because I have other domains that we don't want to involve in this trust.
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