The problem is due to a bug in windows 10 and azure where if the computer s name was changed after joining to azure ad then there s no way to unjoin the computer unless you know that original computer name when you joined.
Windows 10 pro disconnect from azure ad.
Select access work or school and make sure you see text that says something like connected to your organization azure ad.
Well good news just rolled in today with the release of windows 10 build 10041 we now have the option to disconnect our devices again.
Suggest you to refer this article on cannot disconnect from organization when joined to azure ad on windows 10 and you can also refer to this similar discussion here see if it helps.
Do click on mark as answer on the post that helps you and vote it as helpful this can be beneficial to other community members.
Join a new windows 10 device with azure ad during a first run.
2 minutes to read.
So as i wrote about last month in windows 10 we the ability to connect a windows 10 device to azure ad and authenticate our users that way at that time there was no way to disconnect the device again though.
If you ve had your device for a while and it s already been set up you can follow these steps to join your device to the network.
I was able to locate this original computer name under the registry key.
With device management in azure active directory azure ad you can ensure that your users are accessing your resources from devices that meet your standards for security and compliance.