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Computer deleted from AD

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I accidentally deleted a computer on the computers list in AD. Now the machine doesn't allow me to log on. I tried creating it manually but doesn't work. What can I do?

10 replies

by mauri_1848

You mean that there is no solution for this? I didn't touch the machine, I just deleted his name from the computer list in Active Directory!

by afram

When a computer joins a domain, it is given a unique ID. If you manually add the same computer name, the ID is still different.

On the computer that was removed, log in locally as admin, leave the domain and then rejoin it. This gives the computer an identifier that will match the entry it createds in the AD.

by mauri_1848

Yes, I realize that, but the problem is that the machine doesn't allow me to log on, neither with the local admin account or a local user account..

by afram

Removing it from the AD shouldn't affect the local login. What does it say exactly when you try to log in locally?

(also, remove the network cable and try logging into the domain and then locally)

by mauri_1848

I tried unplugging it from the network, but doesn't work.
When trying to connect to the domain the message is something like this: "This domain is locked or unavailable because there is no account for this computer on the domain" (I translate it from spanish, maybe in english is different)

When I tried to log on locally, the message says that I should check the username and password, but I am pretty sure of the admin psw and I also tried with the user local account....

by sunu5207

You first log on as username :user to the domain without any password. Then disjoin the domain and join as workgroup.restart the machine and join as Domain.Sometimes there is a chance to ok.

by mauri_1848

I logged on with admin account with a blank password.... Then I re add it to the domain

Thank you very much

by gralfus

You may need to use something like ERD Commander from www.winternals.com to boot up the PC and then change the admin password. This particular program package has saved my butt many times in similar situations.
http://www.winternals.com/products/repairandrecovery/erdcommander2002.asp?pid=erd

I've heard of freeware that does password changes, but haven't used it. A search of the forums here may yield something.

Once you have the admin password changed, you can go about adding the PC back to the domain.

by Member 24135578

Hi,
you can go on the desktop and disjoin it to the domain, and make it in a work group. Restart the machine and join it again in your domain. Afther this you see again your computer in A.D.

Bye

Giancarlo

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