These credentials are very mandatory to log in a system and to map a network drive.
Most of the corporate users benefit from this feature, in any organization or company computers are used to connect to the Domain network, and to access the domain network users need to enter the user name and password. While mapping a drive windows will assign a separate drive letter to that particular drive or folder and it can be accessed with a single click on windows. Mapping a Network Drive or Folder in Windows 10 is easy, mapping a drive means that getting permanent access to a drive or folder which is currently residing on another computer, File server, and network storage devices in a different location.