How to decommissioning Domain Controller Server (active and not active)

adm_ttjioe 5 Reputation points
2023-04-17T21:58:12.4+00:00

We have active domain controller and not active Domain controller. Both of them wll be processed decommission, so please help us for the best practice to do it.

Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
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  1. Amit Singh 4,851 Reputation points
    2023-04-18T09:45:50.4966667+00:00

    Sites and services of the active directory, unprotecting the connections to the other servers, then unprotecting the server, and finally eliminating the server, being automatically removed from Users and computers in the active directory. Then use the Ntdsutil command; you do not see it anymore, so it does nothing.

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  2. Limitless Technology 44,011 Reputation points
    2023-04-18T13:53:58.6133333+00:00

    Hello Thank you for your question and reaching out. I can understand you are having query\issues related to DC removal. First of all you can Remove Inactive Domain controller using ntdsutil then verify AD health and SYSVOL replication is working good . then you can proceed with Active DC removal. I would like to invite you to have a look on below reference url for step-by-step guide. https://techcommunity.microsoft.com/t5/itops-talk-blog/step-by-step-manually-removing-a-domain-controller-server/ba-p/280564 --If the reply is helpful, please Upvote and Accept as answer--

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  3. Dave Patrick 426.2K Reputation points MVP
    2023-04-18T21:23:02.95+00:00

    You can use server manager to decommission and remove the role for the active one. For the inactive one and possibly the other as well, once powered off / removed from the network you can remove remnants of old ones from active directory.
    Clean up Active Directory Domain Controller server metadata
    Step-By-Step: Manually Removing A Domain Controller Server

    --please don't forget to upvote and Accept as answer if the reply is helpful--

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