U
- unidirectional replication
One-way replication. Replication travels in one direction only.
- Universal group
An Active Directory security or distribution group that can contain members from, and be accessed from, any domain within an Active Directory forest. A domain must be running in native mode to use Universal groups.
- User account
See user object.
- User object
Active Directory object that is a security principal and that identifies individuals that can log on to a domain. User accounts contain information about individuals, as well as password and other permission information.
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