Yes, you can migrate user devices from one tenant to another. You need to follow the below steps -
- You need to uninstall AAD connect and re-install it again by using the global account of the new tenant. Please follow the document to configure hybrid azure ad join.
- You can then run the below command to leave the device from old tenant:
Dsregcmd /leave
- You can then trigger the device registration process by running
Dsregcmd /join
in elevated command prompt.
Please make sure to verify the hybrid status of the device using the command “dsregcmd /status”.