!!! Overview[1]
[{$pagename}] is a [NamingContext] in [Microsoft Active Directory], contains a < [AD DOMAIN] > container (for example, the [example.com] container), which stores users, computers, groups, and other objects for a specific [Microsoft Active Directory] [AD DOMAIN]


Updates to the < domain > container are replicated only to all [Domain Controllers] within the [AD DOMAIN] and to [Global Catalog] servers if the update is made to an attribute that is marked for replication ([Partial Attribute Set]) to the [Global Catalog]. 

[Global Catalog] [Domain Controllers] contain the [Partial Attribute Set] of [{$pagename}] for each [AD DOMAIN] within the [AD Forest]

Each [AD DOMAIN] can have multiple [Domain Controllers] and a [AD Forest] can have multiple [AD DOMAINs]. 

Each [Domain Controller] stores a full [replica] of the [{$pagename}] for the [AD DOMAIN] that it is a member, but does not store replicas of the [{$pagename}]s for other [AD DOMAINs] within the [AD Forest].

The [Directory Partition Hierarchy] can be viewed in the Active Directory Domains and Trusts console, where trust relationships between domains can be managed.


Active Directory Users and Computers obtains it data from this partition. 


!! More Information
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* [#1] - [Directory Partitions|https://technet.microsoft.com/en-us/library/cc961591.aspx|target='_blank'] - based on information obtained 2016-09-25