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Forest Trust

Posted on 2014-04-10
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Last Modified: 2015-02-27
Hi

I have created a Forest Trust with two different domain connected by a VPN. The problem I have is when I go to validate the trusted domains it respond that their is no Active Directory to validate the foreign trusted domain.

Is it easy to fix this?

Thanks
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Question by:jpmoreau
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Expert Comment

by:stu29
ID: 39992556
I would start with DNS.  A lot of times this will either be that DNS and the domain forwarders are not set up correctly, OR .... the domain is a single barreled domain name (eg domainname instead of domainname.ext).

Can you ping the domain name?
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LVL 38

Expert Comment

by:Mahesh
ID: 39992561
There must be DNS failure is there which causing you are not able to get it validated

Check below post for resolving name resolution problem

http://www.experts-exchange.com/Software/Server_Software/Active_Directory/Q_28387793.html

Also ensure that active directory ports are opened correctly between both domains
Check below article for more details regarding ports
http://support.microsoft.com/kb/179442

Also download Portqueryui Tool from Microsoft and find out if any network port issues between both Domain controllers

Mahesh.
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Author Comment

by:jpmoreau
ID: 39992609
On one of my DC I have this message when I try to open Active Directory Domain & Trust.

(  The configuration informations describing this enterprise is not available. The RPC server is not available.  )

Maybe that's why I'm not able to validate. Is their an easy way to correct this?
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Accepted Solution

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stu29 earned 2000 total points
ID: 39992621
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Author Comment

by:jpmoreau
ID: 39992686
I have this when I run the DNS tests:
dns.log
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LVL 9

Expert Comment

by:stu29
ID: 39993959
Your Forest Trust has never worked correct?  If so .. remove it and re-run your tests.  

If they pass .. verify your forwarder to the new domain works and can verify the destination DC.  If you can do this try to rebuild your Trust again.

If it fails again .. repost
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Author Comment

by:jpmoreau
ID: 40021280
I will restart again
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