verb (used with object), truncated, truncating. 1. to shorten by cutting off a part; cut short: Truncate detailed explanations. 2. Mathematics, Computers. to shorten (a number) by dropping a digit or digits: The numbers 1.4142 and 1.4987 can both be truncated to 1.4. adjective.
Active Directory Domain Services (AD DS) stores directory data and manages communication between users and domains, including user logon processes, authentication, and directory searches. An Active Directory domain controller is a server that is running AD DS.
Active Directory is a state-wide authentication directory that supports enterprise systems, provides contact information and scheduling integration, along with providing mechanisms for centralized desktop management.