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MarcHornung-9619 asked MarcHornung-9619 edited

Not getting IP addresses Server 19 after migrating domain from 2016

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-serverwindows-server-2019
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Hello @MarcHornung-9619,

I'm just following up to make sure you received my last reply and that my answers properly address your questions. If you have any further questions or concerns about this post, please let us know.


Best Regards,
Daisy Zhou


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MarcHornung-9619 answered MarcHornung-9619 edited

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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Hello @MarcHornung-9619,
Thank you for your update and sharing. I am very glad that the problem has been solved.
As always, if there is any question in future, we warmly welcome you to post in this forum again. We are happy to assist you!

Best Regards,
Daisy Zhou

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DSPatrick answered

What is being used for DHCP service?


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MarcHornung-9619 answered

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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DSPatrick answered DSPatrick edited

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

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DaisyZhou-MSFT answered

Hello @MarcHornung-9619,

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

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DSPatrick answered

Just checking if there's any progress or updates?

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






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