Contact PSA for Availability-Pricing / FAST-PASS 7 Active Directory Web Software License-Directory Domain Service (AD DS) authenticates and authorizes all users and computers in a Windows domain network, assigning and enforcing security policies on computers and installing or updating software, checks passwords and determines the status of the user, allows management and storage of information, provides authentication and authorization mechanisms, and establishes a framework to deploy other related services includes setup. (Annual Software License) (Includes Annual Support and Upgrades)