Windows Virtual Desktop – The Group Policy Client Service failed the sign-in. Access is denied.

If you see this error when user log-in to Windows Virtual Desktop:

The Group Policy Client Service failed the sign-in. Access is denied.

Probably cached profile is broken on session host. Go to the session host go to the c:\Users – and rename username and local_username directory. After that user should be able to log in. After that you can restore data from profile.