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An Overview of Organizational Units (OUs)
An organizational unit (OU) is a container that is used to logically organize and group Active Directory objects within domains. OUs are not part of the DNS namespace. They are used to organize Active Directory objects into logical administrative groups. OUs therefore serve as containers in which you can create and manage Active Directory objects. OUs are considered the smallest unit to which an Administrator can assign permissions to resources...
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An Introduction to the Active Directory Features
With the release of Microsoft Windows Server 2003 quite a few enhancements and features were introduced that were not previously available in Windows 2000. These enhancements were aimed at improving the scalability, efficiency, speed and performance of Active Directory, and addressed a few deficiencies or shortcomings of the earlier version of Active Directory utilized in Windows 2000 Server.
When a domain controller running Windows Server 2003...
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An Introduction to Groups
A group can be defined as a collection of accounts that are grouped together so that Administrators can assign permissions and rights to the group as a single entity. This removes the need for an Administrator to individually assign permissions and rights to each account. Therefore, while a user account is associated with an individual, or one entity; a group account or a group, is created to simplify the administration of multiple user accounts (users). When you...
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An Overview of Forests and Domains
A domain is a collection of computers and resources that share a common security database, in this case, the Active Directory database. Computers in the domain also have a common namespace. A namespace is the hierarchical grouping of service and object names that are stored in Active Directory and DNS. Active Directory and DNS namespaces have to be the same. This is a Microsoft requirement. A domain can also be considered a security boundary because you can...
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Understanding the Operations Master Roles
Active Directory operates in a multi-master replication manner. What this means is that each domain controller in the domain holds a readable, writable replica of the Active Directory data store. In multi-master replication, any domain controller is able to change objects within Active Directory. Multi-master replication is ideal for the majority of information located in Active Directory. However, certain Active Directory functions or operations are...
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