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i have a windows server 2019 Standard and i bought a ne one Server 2025 Essentials. Can i make the new server my DC

Nikita Kotschkin 20 Reputation points
2026-02-23T10:52:05.7266667+00:00

im not sure if i can Promote the essentials 2025 to be the new DC. thank oyu for your help

Windows for business | Windows Server | Devices and deployment | Set up, install, or upgrade
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  1. VPHAN 25,000 Reputation points Independent Advisor
    2026-02-23T15:12:40.5133333+00:00

    Dear Nikita Kotschkin,

    Windows Server 2025 Essentials shares its core binaries with the Standard edition, meaning it no longer includes the legacy Essentials Experience role that actively crashed servers for Active Directory topology violations.

    You can promote Windows Server 2025 Essentials to be your new Domain Controller. Because the legacy hard system blocks have been removed from the codebase, the operating system will successfully execute the Install-ADDSDomainController deployment without active interference. You simply need to ensure your underlying infrastructure meets the modern Microsoft prerequisites, specifically utilizing DFSR instead of the deprecated FRS for SYSVOL replication, and maintaining a Forest and Domain Functional Level of at least Windows Server 2016. Crucially, you must adhere to the strict licensing topology for the Essentials edition: your server must be deployed at the root of a single-domain forest, hold all five FSMO roles, and operate within the hard limit of 25 users and 50 devices. If your environment requires replica domain controllers or exceeds these user limits, you are required to execute the DISM /online /Set-Edition:ServerStandard /ProductKey:<StandardKey> /AcceptEula command in an elevated prompt to convert the host to the Standard edition before configuring the Active Directory Domain Services role.

    Hope this answer brought you some useful information. If it has, please consider accepting the answer so that other people sharing the same issue would benefit too. Thank you.

    VP

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  1. VPHAN 25,000 Reputation points Independent Advisor
    2026-02-24T18:30:15.25+00:00

    Hello Nikita Kotschkin,

    Has your issue been solved? If it has, please accept the answer so that it could be spread further to those in need too. If not, is there anything I can help you with? Please let me know. :)

    VP

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  2. Q&A Assist
    2026-02-23T10:52:14.9+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    To promote your Windows Server 2025 Essentials to be a Domain Controller (DC), you need to ensure that your existing environment meets certain requirements. Windows Server 2025 requires a minimum forest functional level of Windows Server 2016 or later to support new features. Since you are currently running Windows Server 2019, you should be able to promote the Windows Server 2025 Essentials as a new DC in your existing domain.

    However, it's important to note that you should verify the compatibility of your applications and ensure that the necessary security settings are in place before proceeding with the promotion. Additionally, make sure that you have connectivity to the required Flexible Single Master Operation (FSMO) roles during the installation process.

    For the best practice, it is often recommended to promote new servers to DCs rather than performing an in-place upgrade of existing DCs.

    References:

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