Unable to delete the old Windows 2003 domain controller object from Active Directory Users and Computers console.

Hi,

I'm having a problem in remocing the old AD computer account of my old Windows Server 2003 object.

The old server cannot be demotion-ed normally from dcpromo wizard even after multiple reboot.

I've tried below:

Open Active Directory Users and Computers: On the Start menu, point to Administrative Tools, and then click Active Directory Users and Computers.

1. Open Active Directory Users and Computers, and then click Change Domain Controller. Click the name of the domain controller from which you want to remove the metadata, and then click OK.

2. Expand the OU CN=WIN2K3DC01,OU=Domain Controllers 2k3,OU=Domain Controllers,DC=domain,DC=com of the domain controller that was forcibly removed.

3. Right-click the computer object of the domain controller (WIN2K3DC01) whose metadata to clean up, and then click Delete.

It failed with the following error:

---------------------------
Active Directory Domain Services
---------------------------
Windows cannot delete object LDAP://PRODDC01.domain.com/CN=WIN2K3DC01,OU=Domain Controllers 2k3,OU=Domain Controllers,DC=domain,DC=com because:
The specified module could not be found.
---------------------------
OK   
---------------------------

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The old server has been turned off and decommissioned.

Any idea would be greatly appreciated.

Thanks,
LVL 9
Senior IT System EngineerIT ProfessionalAsked:
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systechadminConsultantCommented:
Please do metadata cleanup//forcefully remove the using ntdsutil. Refer
https://technet.microsoft.com/en-us/library/cc736378(v=ws.10).aspx
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DeadmanIT ConsultantCommented:
Please check below link article from microsoft.
https://support.microsoft.com/en-us/kb/216498
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Senior IT System EngineerIT ProfessionalAuthor Commented:
ok, do I have to run that from one of my existing Windows Server 2012 R2 DC in Data Center AD site ?

the DCPROMO /ForceRemoval command from elevated command prompt using DOMAIN\Administrator command.
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systechadminConsultantCommented:
No please dont run this command from any of the working DC. This commands needs to be run on the serve which needs to be removed.
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Senior IT System EngineerIT ProfessionalAuthor Commented:
@Gaurav: The old DC has been decommissioned so no chance to turn it on again.
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systechadminConsultantCommented:
OK, Please follow the link which i have provided you to remove the old DC. It needs to be run on the working AD server..
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Senior IT System EngineerIT ProfessionalAuthor Commented:
Thanks!
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systechadminConsultantCommented:
please make sure that you dont run dcpromo command on the working AD. Just follow the steps in the link
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Senior IT System EngineerIT ProfessionalAuthor Commented:
Ah yes, that's too dangerous seems to be.

Somehow from the Windows Server 2012 R2 AD console, I can right click and delete the obsolete AD computer account.

Not sure why I cannot do it from my laptop ADUC MMC.
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systechadminConsultantCommented:
You can try to resinstall ADUC MMC on you laptop
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