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daliborazure
Copper Contributor
Jun 07, 2025

Windows 2022 server to Windows 2025 Active directory migration

Hi

In the lab I had 2 servers dc1 which is Windows 2022 and dc2 which was 2025 server. I transferred all roles from 2022 and this was working perfect but then I made one mistake by demoting dc1 2022 using GUI server and looks like that took out whole domain dc2 2025 has all the roles however when I try to open Active directory users and computers this is what i get

Naming information cannot be locateed because the specified domain either doesnt exist or couldnt be contacted

This is when I try to open Active directory users and computers. Interestingly enough in my workspace I just shut down domain controller that i want to decomission and then cleanup metadata but in this instance i wanted to try demote domain controller and this is the process that took domain out

Now I dont have backup all I have ntds dit file and I am not sure whether it is possible to restore domain with just this file dc2 is still domain controller but even netdom query fsmo says no domain controllers

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