How to Migrate User Profiles in Windows 10
Each operating system that you install has at least one user profile associated with each user account. User profile are created when a user logs into a operating system for the first time.

The user profile contains your settings for desktop backgrounds, screen savers, pointer preferences, sound settings, and other features.

To view the user profiles on a system, open the System Properties by pressing Windows + R keys and type sysdm.cpl ,3 into opened Run box, click OK button.

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Under the User Profiles section click Settings button.

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There are different types of user accounts: local, roaming, and mandatory.

A local user profile is created the first time that a user logs on to a computer. The profile is stored on the computer's local hard disk. Changes made to the local user profile are specific to the user and to the computer on which the changes are made.

A local profile can be saved to a network location, and then the user’s network account can point to that network profile location. This is referred to as a Roaming profile. Roaming profiles are just local profiles saved to a network location. No matter which system you log into on your network, your desktop and user profile will be the same. The profile follows the user. To copy a local profile to the network, click the user’s profile and then click the Copy To button.

Place the user’s profile on a network share, and then in the active Directory account properties for that user, point to the network profile (for example, \\Server\ShareName\UserName). You have now created a roaming profile.

A mandatory user profile is a type of profile that administrators can use to specify settings for users. Only system administrators can make changes to mandatory user profiles. Changes made by users to desktop settings are lost when the user logs off.

To change a roaming profile to a mandatory profile (a profile that is mandatory), just change the name of the user profile with the extension of .man. So, for example, if FreeBooter roaming profile is called NTuser.dat, you would change it to NTuser.man. By adding the .man extension, you have made the profile mandatory. Now the user would have to use this profile when he or she logs into the network.

There is also a temporary user profile which is issued each time that an error condition prevents the user's profile from loading. Temporary profiles are deleted at the end of each session, and changes made by the user to desktop settings and files are lost when the user logs off. Temporary profiles are only available on computers running Windows 2000 and later.