Unable to remove Child Domain Name from AD domain and Trust 2016 snap-in

Homer Sibayan 126 Reputation points
2020-09-07T11:38:24.483+00:00

Hi Experts

Need help!

We are already Removed and Cleanup our Active Directory Domain After Decommission of old AD version. Some of them are child domain and we successfully decommission all of them . Currently we have the Ad 2016 version , we noticed that the old child domain name is currently existed on AD domain and trust but we already removed, decommissioned them already.. Just check the AD site and services but no more old server and ntds settings existing. Has anyone from you have idea on we will remove it from AD domain and Trust. ? See attached

Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
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  1. Homer Sibayan 126 Reputation points
    2020-09-09T06:09:43.6+00:00

    Hi all

    For your references, the issue was already been resolved by the following procedure below. please refer on this link for references.

    https://social.msdn.microsoft.com/Forums/en-US/6672d393-dc5d-4456-b09f-7fbfc33b776b/unable-to-remove-child-domain-from-ad-trust?forum=winserverDS

    Procedures :

    1.Click Start, click Run, type ADSIEdit.msc, and then click OK
    2.Expand the Domain Naming Context container.
    3.Expand DC=Your Domain, DC=COM
    4.Expand CN=System.
    5.Right-click the Trust Domain object (childDC. domain.com), and then click Delete
    7.Right-Click CN=Users--> CN=child domain$ and then Delete. If not deleted (no problem follow next step)
    8.Go to ADSI edit in administrative tools
    9.Right click ADSI Edit ->connect to Domain's Naming context" configuration" then click ok
    10.Cofiguration-->CN=configuration,DC=your domain,DC=com -->CN=Partitions
    11.Select and Delete Name: CN=your child domain /Directory partition Name: DC=child domain,DC=com
    12.Now check Active Directory Domain and Trust (child domain entry would be removed)

    Thanks

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  1. Fan Fan 15,291 Reputation points Microsoft Vendor
    2020-09-08T00:24:21.57+00:00

    Hi,

    I would recommend you check if all the changes for the domain deletion is replicated among all the DCs.The following command can be run to force the replication:
    Repadmin /syncall /APeD

    Then you can refer to the following link to do a metadata cleanup for Removing Orphaned Domains from Active Directory.
    Similar case for your reference:
    https://social.technet.microsoft.com/Forums/windowsserver/en-US/f92b489a-2d4c-48c7-bd4e-811ed9327030/delete-a-no-more-existing-domain-from-a-survivng-forest?forum=winserverDS

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