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Exchange Server Accidently Deleted from Domain. How Do I Rejoin

Posted on 2013-06-10
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Last Modified: 2013-07-06
Hello Everyone,

Our Exchange server was accidently deleted from our domain and now it doesn't show up in our Active Directory. Now, I can only log in locally.  I was going to try to re-join it to the domain, but I can't because of this note....

"The identitfication of the computer cannot be changed because - The Certification Authority Service is installed on this computer"

Just looking for some help resolving this.  Anybody have this happen to them before? Any insight?  Much appreciated.
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Question by:jehoward
11 Comments
 
LVL 22

Expert Comment

by:Haresh Nikumbh
ID: 39235315
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LVL 43

Expert Comment

by:Amit
ID: 39235327
You mean to say computer object removed from AD? Why don't you restore that object, using ADRestore.net tool and check if that works.

If not, then you might need to reinstall Exchange again in DR mode. What version of Exchange server you have currently.
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Expert Comment

by:Sandeshdubey
ID: 39235356
0
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LVL 43

Expert Comment

by:Amit
ID: 39235385
re-installation is the only way to fix it.
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Accepted Solution

by:
jehoward earned 0 total points
ID: 39272837
Hi Everyone,

Sorry for the delay in posting back. We fixed the issue by un-installing the Certification Authority component. We then rejoined to the domain. Then re-installed the cert authority and re-issued the cert and all is well.
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Author Comment

by:jehoward
ID: 39272844
I've requested that this question be closed as follows:

Accepted answer: 0 points for jehoward's comment #a39272837

for the following reason:

Because that was the actual fix
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LVL 43

Expert Comment

by:Amit
ID: 39272839
Great :)
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LVL 43

Expert Comment

by:Amit
ID: 39272845
I suggested reinstall solution in my post 39235385, and user did the same solution, however no points awarded.
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Author Comment

by:jehoward
ID: 39272861
Amit, you suggested a re-installation...but of what? When I first saw your answer, I assumed you meant a re-install of the actual Exchange software on the server. Which was a suggested fix I saw on other sites. If you happened to say...."un-install the cert authority the re-install", then I would have accepted your answer. But there wasn't enough detail to know what needed to be re-installed.
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LVL 43

Expert Comment

by:Amit
ID: 39272870
jehoward, you didn't come back after that post for further clarification. If that is the case, i am not looking for points.

You can close it again. Thanks
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Author Closing Comment

by:jehoward
ID: 39303679
That's how we fixed it
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