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Directory synchronization
A Microsoft tool that synchronizes users, groups, and attributes (like distribution
groups or user phone numbers) to an Office365 instance.
DirSync
Abbreviation for Directory Synchronization
DNS
Acronym for Domain Name System
Domain Name System
A service that translates domain names into IP addresses.
DRS
Acronym for Device Registration Service
F
Failover
A part of high availability where switching from failed to redundant components
occurs, usually automatically.
Federation
Federation refers to the mechanism that creates trust relationships for identity
management. These trust relationships then allow single sign-on for multiple
independent systems.
H
HA
Acronym for high availability
High availability
A system implementation that minimizes downtime, meaning unavailability to users.
I
Identity provider
An entity that authenticates a user to a service provider.
M
Multifactor authentication
Employs additional forms of user data for authentication. Two-factor authentication
using one-time passwords is a common example.
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E Series Installation Guide
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