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Error when trying to Create Domain Trust between two sites

This is my first go at this procedure so bear with me.  I have two sites:  A.com and B.local  
A.com is my main domain controller which all my user accounts are created in.  B.local domain controller was created to run DNS and DHCP at that location and also to make logging in faster for that location (I just got this account so I don't know why they set it up this way) .  We have a new phone system that requires the users in the B.local to log in using the A.com domain.  I have tried to create the trust but I get an error in the wizard "CANNOT CONTINUE" and "because the specified domain can not be contacted".  I have tried both options and no go.  Any help would be appreciated.
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IgaravidezK
Asked:
IgaravidezK
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3 Solutions
 
zelron22Commented:
Are these domains in the same forest?

Is DNS set up to resolve the domains for each other?
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Mike KlineCommented:
As zelron said DNS needs to resolve, you can setup conditional forwarders or use secondary zones (just as long as the names resolve)
You can do a quick test
From A.com run Nslookup B.local
From B.local run nslookup A.com

Do you have a firewall between A.com and B.local?
Thanks
Mike
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IgaravidezKAuthor Commented:
Ok.  I will check it now.  Thanks for your quick replies
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IgaravidezKAuthor Commented:
I did an nslookup b.local from a.com and got:

server: dc2.a.com
address: 192.16.1.2

name:  dc2.b.local.a.com
address: 192.168.15.253

When I do an nslookup a.com from b.local I get:

server: dc2.b.local
address: 192.168.15.253

Non-Authoratative answer
name:  a.com
address: 205.178.145.45






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IgaravidezKAuthor Commented:
After rethinking all of the issues I have been having.  I have decided to redo my b.local altogether and get it done right the first time.   Thanks for all your help.  This has been helpful
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