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Active Directory ( AD) is a directory service developed by Microsoft for Windows domain networks. Windows Server operating systems include it as a set of processes and services. [1] [2] Originally, only centralized domain management used Active Directory. However, it ultimately became an umbrella title for various directory-based identity ...
Active Directory naming context (NC) or directory partition, is a logical portion of the Microsoft's Active Directory (AD). Description of the naming context. Active Directory can support tens of millions of objects. To scale up those objects, the Active Directory database is divided up into partitions for replication and administration.
A Windows domain is a form of a computer network in which all user accounts, computers, printers and other security principals, are registered with a central database located on one or more clusters of central computers known as domain controllers. Authentication takes place on domain controllers. Each person who uses computers within a domain ...
Multi-master replication is a method of database replication which allows data to be stored by a group of computers, and updated by any member of the group. All members are responsive to client data queries. The multi-master replication system is responsible for propagating the data modifications made by each member to the rest of the group and ...
Extensible Storage Engine ( ESE ), also known as JET Blue, is an ISAM (indexed sequential access method) data storage technology from Microsoft. ESE is the core of Microsoft Exchange Server, Active Directory, and Windows Search. It is also used by a number of Windows components including Windows Update client and Help and Support Center.
Security Account Manager. The Security Account Manager ( SAM) is a database file [1] in Windows XP, Windows Vista, Windows 7, 8.1, 10 and 11 that stores users' passwords. It can be used to authenticate local and remote users. Beginning with Windows 2000 SP4, Active Directory authenticates remote users. SAM uses cryptographic measures to prevent ...
Domain controller. A domain controller ( DC) is a server [1] [2] that responds to security authentication requests within a computer network domain. It is a network server that is responsible for allowing host access to domain resources. It authenticates users, stores user account information and enforces security policy for a domain. [3]
Directory information tree. A directory information tree ( DIT) is data represented in a hierarchical tree-like structure consisting of the Distinguished Names (DNs) of directory service entries. Both the X.500 protocols and the Lightweight Directory Access Protocol (LDAP) use directory information trees as their fundamental data structure.