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Active Directory NTDS Settings and Connection objects missing

Posted on 2013-05-10
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Last Modified: 2013-05-12
We have a 2 datacenters and several remote sites. All domain controllers are server 2008 r2. It is a single domain forest. Our AD topology is setup like hub and spoke with half of all the remote sites replicating to each of the datacenter domain controllers. The two datacenters replicate to eachother every 15 minutes. The remote site <-> dc replication is set for every 30 min.

On of our sites is acting weird. Systems  at that site occasionally site that the trust relationship between the workstation and the primary domain failed.

In AD sites and services I see everything looks fine on the remote site DC. I see NTDS settings and automatically generated connection objects. On the Datacenter side I see NTDS settings is completely missing for the remote site, and ofcourse there are no connection objects.

I have tried a repladmin /kcc on both the datacenter domain controller and the remote site with success. I have rebooted both Domain controllers.

DCDiag /testreplications checks out on both domain controllers

Not sure how I fix the AD site and services objects though.
AD-Sites.png
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Question by:bbcac
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by:bbcac
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I just found out that the remote site DC is not in AD users and computers. I'm confused on my next steps now
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by:Jaihunt
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Hi

What you mean the Remote site DC not in users and computers ? Did you mean you are not able to find the computer object of the remote site in your data center servers.? If yes  means you performed Meta data cleanup  since its 2008 server if you delete computer object of DC it will cleaned entirely from the domain. you need to rebuild the server and re promote it as DC.

The screenshot you provided is not helpful since you blacked everything..!!

Thanks
Jai
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by:bbcac
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Yes the remote site domain controller is not in AD users and computers.

I can't post pictures of my AD topology for security reasons. You can see in the picture that NTDS Settings is completely missing while the rest of the environment has them.
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Jaihunt earned 500 total points
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No Issues, As i said earlier Meta data cleanup has been performed on the remote site. You need to rebuild the server and re promote it as DC.

http://technet.microsoft.com/en-us/library/cc816907%28v=ws.10%29.aspx
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by:bbcac
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perfect... thanks for your help, the DC is back up and running. Now I am having client machine account password issues

I have added a new question http://www.experts-exchange.com/Software/Server_Software/File_Servers/Active_Directory/Q_28125821.html
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