Server 2008 Active Directory DNS Entries Deleted. Dcdiag unable to contact local AD controller.

Posted by Jim Smith on Server Fault See other posts from Server Fault or by Jim Smith
Published on 2011-03-17T15:46:02Z Indexed on 2011/03/17 16:11 UTC
Read the original article Hit count: 348

Filed under:

windows-server-2008

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dns

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active-directory

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windows-domain

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dcdiag

I've never seen anything like this. At a potential customer site, I noticed that the PC's were all unable to locate the domain controller and netlogon was failing. I fixed the DNS entries on the client PC's so the AD server was DNS server and tried to rejoin the domain. The PC was unable to locate the domain controller.

On the server, I checked the DNS settings and while there is the high level AD folder, every single entry related to Active Directory appears to have been completely deleted.

There are no backups from what I can tell and this has been happening for 6 months at least. Does anyone have any recommendations for repairing this? Thanks.

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