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How to remove the Active Directory from the domain controller? for this problem, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find an easier way.

Deleting the domain controller is something we sometimes have to do, that is, deleting the Active Directory, so how do we remove the Active Directory from the domain controller?

Note:

When demoting a domain controller, if it is not a domain controller in the domain, it will perform a copy and then transfer the role to another domain controller. As part of the downgrade process, the Dcpromo utility removes the configuration data for the domain controller from Active Directory. This data takes the form of the NTDS Settings object, which exists as a child of the server object in the Active Directory site and Services Manager. After the domain controller is degraded, it no longer has available Active Directory information and will use the Security account Manager (SAM) database to obtain local database information. If the domain controller is a global catalog domain controller, this role will not be transferred to another domain controller. In this case, you must manually select the check box in Active Directory site and Services Manager to allow another domain controller to take over this role.

If the demotion process does not complete successfully for some reason, you must manually remove this metadata from the directory. Use the Ntdsutil.exe utility to manually delete the NTDS Settings object. For additional information about how to use Ntdsutil.exe, click the article number below to view the appropriate article in the Microsoft knowledge base:

216498 (how http://support.microsoft.com/kb/216498/) deletes data in Active Directory after domain controller degradation fails

1. Click start, click run, type dcpromo, and then click OK.

two。 This launches the Active Directory installation Wizard. Click next.

3. There is a check box on the delete Active Directory screen. If this computer is a domain controller in the domain, click to select the check box. Otherwise, click next.

4. On the next screen, set the password for the administrator account on this server after you delete Active Directory. Type the appropriate password in the password and confirm password box, and then click next.

5. On the summary screen, review and confirm the options you selected, and then click next.

6. The wizard will begin the process of removing Active Directory from the server. When the process is complete, a message appears indicating that Active Directory has been removed from the computer.

7. Click finish to exit the wizard.

8. Restart the computer.

Note:

Windows 2000-based DNS servers should point to themselves in their TCP/IP properties to obtain DNS services. If the server needs to resolve the name from its Internet service provider (ISP), you should configure a forwarder.

This is the answer to the question about how to delete Active Directory from the domain controller. I hope the above content can be of some help to you. If you still have a lot of questions to solve, you can follow the industry information channel for more related knowledge.

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