What administrative tool is commonly used for managing Active Directory?

Active Directory Users and Computers is a key administrative tool specifically designed for managing users, groups, and computers within an Active Directory domain. This tool provides a graphical interface that allows administrators to perform essential tasks such as creating and managing user accounts, configuring properties of computer objects, and organizing these objects into organizational units (OUs) for better management.

It is crucial for maintaining security and organizational structure within a network, allowing for streamlined management of resources and permissions. By utilizing this tool, administrators can easily navigate through the directory structure, apply policies, and delegate authority as needed. This functionality is fundamental for any organization relying on Active Directory for its domain services, making it the most appropriate choice among the provided options for managing Active Directory.