"Нужно сделать авторизацию в домене и, чтобы при входе в домен пользователю монтировался этот диск. "
А смысл ? Вы же таким образом заблокируете vhdx - при логоне на терминальный сервер получите temp профиль.
"The simpler way is user profile disks. User profile disks store user and application data on a single virtual disk that is dedicated to one user’s profile. One of the key challenges to pooled virtual desktop deployments is easily maintaining the user settings and data; this is because this information is discarded at logoff when a pooled virtual desktop image is rolled back to its initial state. User profile disks provide an easy way to store the user settings and data on a separate virtual disk that is reattached at logon, so the user data isn’t discarded when the virtual machine rolls back"
blogs.msdn.com/b/rds/archive/2012/11/13/easier-use...