Exchange Server Acronyms

I collected some of the acronyms used by Exchange Administrators. I divided them into groups. I am sure there are many omissions, but here is a tabulated list:

Protocols
HTTP	HyperText Transfer Protocol
IMAP4	Internet Message Access Protocol v4 Rev1
LDAP	Lightweight Directory Access Protocol
MAPI	Messaging Application Programmer Interface
POP3	Post Office Protocol v3
RPC	Remote Procedure Protocol
RPC/HTTPS	Remote Procedure Call over Secure HyperText Transfer Protocol
RTCP	Real-Time Control Protocol
RTP	Real-time Transport Protocol
SIP	Session Initiation Protocol
SMTP	Simple Message Transport Protocol
TCP/IP	Transmission Control Protocol / Internet Protocol

Application Programming Interfaces (APIs)
ADSI	Active Directory Services Interface
CDO	Collaborative Data Objects
DAV	Distributed Authoring and Versioning
EWS	Exchange Web Services

Outlook
OAB	Offline Address Book
OMS	Outlook 2007 Mobile Service
OST	Offline STorage
PAB	Personal Address Book
PIM	Personal Information Manager
PST	Personal STorage
RSS	Really Simple Syndication

Exchange Server
CAS	Client Access Server
CCR	Continuous Cluster Replication
CDOExM	Collaborative Data Objects for Exchange Management
CDOWF	Collaboration Data Objects for Exchange Workflow
DAS	Direct Attached Storage
DSN	Delivery Status Notification
EMC	Exchange Management Console
EMS	Exchange Management Shell
ESE	Extensible Storage Engine
ESM	Exchange System Manager (Exchange 2000/2003)
ExBPA	Exchange Best Practices Analyzer
FE / BE	Front End / Back End
GAL	Global Address List
HA	High Availability
HT	Hub Transport
LCR	Local Continuous Replication
NDR	Non-Delivery Report
OMA	Outlook Mobile Access (Exchange 2000/2003)
OWA	Outlook Web Access
RSG	Recovery Storage Group
RTM	Release To Manufacturing
SAN	Storage Area Network
SCC	Storage Cost Calculator
SCC	Single Copy Cluster
SCR	Standby Continuous Replication
UM	Unified Messaging
VSS	Volume Shadowcopy Service

Active Directory
AD	Active Directory
CSV	Comma Separated Values
DC	Domain Controller
GC	Global Catalog
LDIF	LDAP Data Interchange Format

Windows Server
BITS	Background Intelligent Transfer Service
BSOD	- deprecated
CDCR	Critical Design Change Request
DN	Distinguished Name
DNS	Domain Naming Service
FQDN	Fully Qualified Domain Name
IIS	Internet Information Server
IOPS	Input/Output Operations Per Second
LUN	Logical Unit Number
MCM	Microsoft Certified Master
MOF	Microsoft Operations Framework
NLB	Network Load Balancing
SNP	Scalable Networking Pack
WMI	Windows Management Instrumentation
WSS	Windows SharePoint Services

Security
CA	Certificate Authority
PKI	Public Key Infrastructure
S/MIME	Secure/Multipurpose Internet Mail Extensions
SAN	Shared Address Name
SSL	Secure Sockets Layer
TLS	Transport Layer Security
TMG	Threat Management Gateway

Unified Communications
EPID	End Point IDentifier
IM	Instant Messaging
PBX	Private Branch Exchange
PSTN	Public Switched Telephone Network
RTC	Real-Time Communication
SIMPLE	SIP Instant Messaging and Presence Language Extensions
VoIP	Voice over Internet Protocol

Related Third Party Products
BES	Blackberry Enterprise Server

William Lefkovics