Understanding application directory partitions in Active Directory

Understanding application directory partitions in Active Directory



This article provides information on application directory partitions in Active Directory


In Active Directory, an application directory partition is a partition that contains Active Directory objects, is part of the forest's DNS namespace, and is replicated among domain controllers (DCs). In these ways, application directory partitions are similar to domain directory partitions, but there are some differences:

  • Application directory partitions can't contain security principals (users, computers, groups, etc.).
  • Domain data is replicated among all DCs in a domain, but application directory partitions can be replicated to a subset of DCs in a forest or domain.
  • Data in an application directory partition is never replicated to the global catalog.

Active Directory-aware applications can use application directory partitions to store data and replicate it only to certain DCs. Applications may be coded to create partitions automatically, or the needed partitions can be created manually. An application directory partition can reside within a domain, within another application directory partition, or as the root of a separate tree in the forest. Although application directory partitions can reside within domains, domains cannot reside within application directory partitions.

DNS is a built-in component of Windows that utilizes application directory partitions. For information on these partitions, named DomainDnsZones and ForestDnsZones, see Information About the Default DNS Application Directory Partitions in Active Directory.

For information on creating a custom application directory partition, see How to Create a Custom Application Directory Partition in Active Directory.

For information on configuring the replication scope of an application directory partition, see How to Configure the Replication Scope of a Custom Application Directory Partition in Active Directory.




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ID de l'article : SLN290721

Date de la dernière modification : 10/02/2014 02:07 PM


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