Sites and Directory Replications

Posted: August 24, 2012 in Active Directory, DNS, Server, Server 2003, Server 2008
Tags: , , , ,

Partitions:-

Introductions

The Active Directory database is logically separated into directory partitions, a schema partition, a configuration partition, domain partitions, and application partitions. Each partition is a unit of replication, and each partition has its own replication topology. Replication is performed between directory partition replicas. All domain controllers in the same forest have at least two directory partitions in common: the schema and configuration partitions. All domain controllers in the same domain, in addition, share a common domain partition.

 

Schema Partition:

There is only one schema partition per forest. The schema partition is stored on all domain controllers in a forest. The schema partition contains definitions of all objects and attributes that can be created in the directory, and the rules for creating and manipulating them. Schema information is replicated to all domain controllers in the forest, so all objects must comply with the schema object and attribute definitions.

 

Configuration Partition:

There is only one configuration partition per forest. The configuration partition is stored on all domain controllers in a forest. The configuration partition contains information about the forest-wide Active Directory structure, including what domains and sites exist, which domain controllers exist in each, and which services are available. Configuration information is replicated to all domain controllers in a forest.

 

Domain Partition:

There can be many domain partitions per forest. The domain partitions are stored on all of the domain controllers of the given domain. A domain partition holds information about all domain-specific objects created in that domain, including users, groups, computers, and organizational units. The domain partition is replicated to all domain controllers of that domain. All objects in every domain partition in a forest are stored in the Global Catalog with only a subset of its attribute values.

 

REPLICATIONS:

The replication process occurs between two domain controllers at a time. Over time, replication synchronizes information in Active Directory for an entire forest of domain controllers. To create a replication topology, Active Directory must determine which domain controllers replicate data with other domain controllers.

 

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Comments
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  2. carol says:

    the information is quite helpful. your sharing is much appreciated.

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