Definition

organizational unit (OU)

Contributor(s): Ben Rubenstein

An organizational unit (OU) is a container within a Microsoft Active Directory domain which can hold users, groups and computers. It is the smallest unit to which an administrator can assign Group Policy settings or account permissions. An organizational unit can have multiple OUs within it, but all attributes within the containing OU must be unique. Active Directory organizational units cannot contain objects from other domains.

This was last updated in June 2012

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