Administrator's Guide

Glossary
CAS Client Access Server. The client access server role is one of five distinct server roles for Microsoft
Exchange Server 2010. It supports the Outlook Web Access and Microsoft Exchange ActiveSync
client applications, and the Post Office Protocol version 3 (POP3) and Internet Message Access
Protocol version 4rev1 (IMAP4) protocols. The client access server role also provides access to
free/busy data by using the Availability service and enables certain clients to download automatic
configuration settings from the Autodiscover service. For more information, see the Microsoft
Technet article, Understanding Client Access at http://technet.microsoft.com/en-us/library/
bb124915.aspx.
CMP Common Management Platform. A software tool that manages the firmware, storage and
diagnostics for the HP E5000.
CSP Common Storage Platform. A term to describe the system hardware.
CSR Customer self repair.
DAG Database Availability Group. A database availability group is the base component of the high
availability and site resilience framework built into Microsoft Exchange Server 2010. A DAG is
a group of up to 16 Mailbox servers that hosts a set of databases and provides automatic
database-level recovery from failures that affect individual servers or databases. For more
information, see the Microsoft Technet article, Understanding Database Availability Groups at
http://technet.microsoft.com/en-us/library/dd979799.aspx.
ECW E5000 Configuration Wizard
EDT Exchange Deployment Tool
EMU Enclosure Management Unit
ESD Electrostatic discharge. The emission of a potentially harmful static electric voltage as a result of
improper grounding.
FRU Field replaceable unit. An assembly component that is designed to be replaced on site, without
the system having to be returned to the manufacturer for repair.
OWA Outlook Web App. The Web browser-based version of Microsoft Outlook. Enables users on the
road to access their email, contacts, and calendar from any web browser without having to run
a preconfigured Outlook client program.
SAID Service Agreement Identifier.
SCOM Systems Center Operations Manager
SIM Systems Insight Manager
SMH System Management Homepage
Witness Server A server used for high availability in conjunction with database availability groups. For more
information, see the Microsoft Technet article, Create a Database Availability Group at http://
technet.microsoft.com/en-us/library/dd351172.aspx.
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