man is added to the end of the folder name. If the mandatory profile is stored on a remote server and the server becomes unavailable, users can logon using cached version of the mandatory profile When using Ntuser.man, the system assumes that this profile is read-only and doesn’t save any changes to it.
A normal mandatory user profile – an administrator renames the file NTuser.dat (contains the user registry hive HKEY_CURRENT_USER) into NTuser.man.
There are two types of mandatory user profiles in Windows: Types of Mandatory User Profiles in Windows
