How do I set up a one way trust when some DCs are firewalled off from each other?

Posted by makerofthings7 on Server Fault See other posts from Server Fault or by makerofthings7
Published on 2012-03-29T01:23:34Z Indexed on 2012/03/29 17:33 UTC
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Windows

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active-directory

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trusted-domain

I have two Windows 2008 forests in Win2003 mode and I need to set up a one way trust between them. The validation button in Domains And Trusts works in one forest but not in the other.

I think this is because not all DCs can see all the other DCs. I'm not sure if I need to set up the hosts file, so I did so with company.com in the respective domain along with the relevant DC. (do I need _msdcs _tcp zones etc)

How do I set up a one way trust when some DCs are firewalled off from each other?

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