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Enter a keyword...   ...or choose a category. choose one... Communications Computer Industry Companies Computer Science Data Graphics Hardware Internet and Online Services Mobile Computing Multimedia Networks Operating Systems Programming Software Standards Types of Computers World Wide Web   Active Directory Last modified: Wednesday, October 11, 2006  A directory service from Microsoft that is a part of Windows 2000. It is an implementation of Internet standard directory and naming protocols that uses a database engine for transactional support, and also supports a variety of application programming interface standards.   Related Categories Directory Services Related Terms Active Directory Service Interfaces BDC directory service Microsoft PDC Shopping Active Directory Products Compare Products,Prices and Stores Shop by Category: Firewalls 137 Model Matches Software 2 Store Offers