HI
- UPD use .vhdx virtual disk and fslogix use .vhd virtual disk, so we can't migrate from UPD to fslogix directly.
I think we can build a test collection and add one existed session host server from production collection to it(if there is only on session host server in production collection, I think we can build a new RDsession host VM then add this session host server to test collection), then add UPD for this test collection and let test domain user use it. Finally, we can test migration process.
I think migrating user profile disk to fslogix profile like below:
(1)Log off all domain users sessions on RD session host servers.
(2)Don't allow all domain users remote access session host server again.
(3)Disable UPD for your RDsession host on RDCB server first, then configure fslogix for your RD session host servers
Configure Profile Container to redirect User Profiles
https://learn.microsoft.com/en-us/fslogix/configure-profile-container-tutorial
https://cloudbuild.co.uk/tag/how-to-configure-fslogix-step-by-step/
(4)End domain users logon the RDsession host servers and using Fslogix profile
(5)Set end domain user access permission for their vhdx files of UPD.
(6)Attach the .vhdx virtual disk to each user session and copy the content of UPD virtual disk to Fslogix virtual disk by each user themselves.
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