Disable Azure AD synchronization without losing synchronized accounts

SF-6505 351 Reputation points
2023-01-16T00:21:17.14+00:00

Hi

My client has a domain with 2 domain controllers.

Now , he want reduce the number of server on-premise. So we are looking if we can demote the on-premise domain and convert all synchronized account to be manged by azure portal.

What's the recommended method to demote the last 2 domain controllers without losing any synchronized account in azure ?

Active Directory
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A set of directory-based technologies included in Windows Server.
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A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. Thameur-BOURBITA 28,861 Reputation points
    2023-01-16T00:30:43.7966667+00:00

    Hi,

    Before demote the last domain controller and remove the domain, you have to disable the synchronization between Azure AD and your on-premise domain by running the following command : Set-MsolDirSyncEnabled -EnableDirsync $False

    I invite you to read the following links to learn more about the command above:

    Set-MsolDirSyncEnabled Turn off directory synchronization for Microsoft 365

    Once the Directory synchronization is off , check if all synchronized accounts in Azure AD can be managed through Azure portal. If it's Okay , you can perform the demote of the last domain controller.

    Please don't forget to mark helpful reply as answer

    1 person found this answer helpful.

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