Answer:
The active directory (AD)
Step-by-step explanation:
Included in the operating system of Windows server is a primary feature called Active Directory which essentially manages a centralized database containing user account and security information such as password.
The AD is created by Microsoft and allows users (typically admins) to manage network and IT resources and application data of a system running the Windows operating system. AD can be used to create users, authenticate users and authorize users to be able to access servers and applications on the system.