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Not getting IP addresses Server 19 after migrating domain from 2016

MarcHornung-7035 131 Reputation points
2021-06-08T17:33:24.943+00:00

Thought I did this right everything has been working for weeks. Spun up new VM, set up AD DS, DHCP, DNS, moved FISMO, etc. Stopped getting IP address today.

any ideas. what to check first new 2019 server has all FISMO records and server is GC.

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
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Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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  1. MarcHornung-7035 131 Reputation points
    2021-06-13T03:49:36.593+00:00

    The server has all static IPs properly assigned. It turns out the issue was related to the Allow filter being turned on and not having all mac addresses listed. Turning off the Allow filter solved the issue.

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  1. Anonymous
    2021-06-08T17:45:46.49+00:00

    What is being used for DHCP service?

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  2. MarcHornung-7035 131 Reputation points
    2021-06-08T21:05:55.707+00:00

    Sorry I thought that was bit implied in the explanation of the migration. Added DHCP to the list of transferred resources.

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  3. Anonymous
    2021-06-08T22:29:38.377+00:00

    I'd check the DHCP server event logs for clues.

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

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  4. Anonymous
    2021-06-09T01:48:48.267+00:00

    Hello anonymous user,

    Thank you for posting here.

    Based on the description, I understand you migrate a Windows 2016 DC to Windows 2019 DC.

    For Domain Controller, we should set static IP address for the Windows 2019 DC and set 127.0.0.1 (or its IP address itself) as the Preferred DNS server for Domain Controller.

    Then as AD DS and DNS role (maybe other roles if needed) and promote the server as a Domain Controller.

    Are you using a DHCP server to assign IP addresses to new Windows 2019 DC? If so, I suggest you can set static IP address for the new Windows 2019 DC.

    Hope the information above is helpful.

    Should you have any question or concern, please feel free to let us know.

    Best Regards,
    Daisy Zhou

    ============================================

    If the Answer is helpful, please click "Accept Answer" and upvote it.

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