Solved

Can't contact Active Directory

Posted on 2009-04-13
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Last Modified: 2012-05-06
I just installed the Admin Tool Pack, and am trying to setup my domain.

Under Active Directory Domains and Trusts I can browse to my domain name, but get the following error:

"The list of domain controllers for domain domain.local is unavailable because: the specified domain either doesn't exist or can't be contacted"

I am also seeing these errors in event viewer:
Event ID: 1053 Source: Userenv
Windows cannot determine the user or computer name. (The specified domain either does not exist or could not be contacted. ). Group Policy processing aborted.

Event ID: 1054 Source: Userenv
Windows cannot obtain the domain controller name for your computer network. (The specified domain either does not exist or could not be contacted. ). Group Policy processing aborted.

Event ID: 15 Source: AutoEnrollment
Automatic certificate enrollment for local system failed to contact the active directory (0x8007054b).  The specified domain either does not exist or could not be contacted.
  Enrollment will not be performed.

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Question by:sharkbot221984
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Accepted Solution

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Darius Ghassem earned 500 total points
ID: 24134067
Check to make sure your DC is pointing to itself for DNS and that it doesn't contain any external DNS servers in it's TCP\IP settings. Make the clients are the same. Run a netdiag and post.
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Author Comment

by:sharkbot221984
ID: 24139967
I think then that the problem is our DNS servers are external.  I'm new to the organization, but so far my workstation is pointed to external DNS, and at least one other one is pointed to OpenDNS, and the DC is pointed to external DNS that is different than even my workstation.
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Author Closing Comment

by:sharkbot221984
ID: 31569684
Changed the DNS settings for my workstation to point to the DC as the primary DNS server, changed the external DNS servers to secondary.  Admin Toolpack working now.  Thanks.
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LVL 59

Expert Comment

by:Darius Ghassem
ID: 24143680
They should have DNS forwarding setup you should never have external DNS servers in your TCP\IP properties.
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