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SyedAmmarHaider-0894 avatar image
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SyedAmmarHaider-0894 asked AnshulKumarMINDTREELIMITED-5501 published

Restore of Active Directory

Dear All;
I am running active directory in my network. There are two domain controller installed on windows server 2012 R2 standard x64. One domain controller is running as primary and other is secondary. A few days ago my secondary domain controller crashed and after that I recovered that domain controller using non-authoritative backup restore. But when I rebooted the server it was unable to login. The given error was "trust relationship between the workstation and the primary domain failed". Please help how can I solve this problem so that my secondary domain controller could work properly.

Thanks and Regards

windows-active-directorywindows-server-2012
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Hi,


Just want to confirm the current situations.
If there's anything you'd like to know, don't hesitate to ask.

Best Regards,

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Hi,
I am checking to see if the problem has been resolved.
If there's anything you'd like to know, don't hesitate to ask.
Best Regards,

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Hi, if the posted answer resolves your question, please mark it as the answer by clicking the check mark. Doing so helps others find answers to their questions.

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1 Answer

FanFan-MSFT avatar image
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FanFan-MSFT answered

Hi,
Welcome to ask here!
It will be better idea to remove the second DC from domain and then promote it again.

Steps:
Shut down the demoted server.

On a healthy domain controller, clean up the metadata of the demoted domain controller. For more information, see Clean up Active Directory Domain Controller server metadata.

If the incorrectly restored domain controller hosts operations master roles, transfer these roles to a healthy domain controller. For more information, see Transfer or seize FSMO roles in Active Directory Domain Services.

Restart the demoted server.

If you are required to, install Active Directory on the stand-alone server again.

If the domain controller was previously a global catalog, configure the domain controller to be a global catalog.

If the domain controller previously hosted operations master roles, transfer the operations master roles back to the domain controller.


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