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Please keep acronyms in alphabetical order


MA = Messaging Architects (specific to MA)

AD = Active Directory (Microsoft)

ADFS =  Active Directory Federation Services

ADT = Audit file (specific to MA)

BLOB = Binary Large Object

CAS = Content Addressable Storage (generic; see CAStor from Caringo)

CAS = Client Access Server (Microsoft EX deployments)

CAStor = Caringo's CAS product

CPR = Customer Problem resolution

CSN = Cluster Services Node

CSV = Comma Separated Values

DAG = Database Availability Group (EX)

DKIM =  Domain Keys Identified Mail

DLP = Data Leak Protection

DNS = Domain Name System

DR = Disaster Recovery

eDir = eDirectory (Novell) 

EWS = Exchange Web Services

EX = Exchange

FID = Folder Identifier

FTF = Field Tested Fix

FR = Feature Request

FQDN = Fully Qualified Domain Name

GA = General Availability

GAB = Global Address Book

GAL = Global Address List

GW = GroupWise

HP = Hotfix Patch (mostly specific to MA)

IIS = Internet Information Services (Microsoft EX deployments)

ILM = Information Lifecycle Management

ISP = Internet Service Provider

JBOD = Just A Bunch Of Disks

LARS = Large Account Reseller

LDAP = Lightweight Directory Access Protocol

LDIF = LDAP Data Interchange Format

LUN = Logical Unit Number (for storage connectivity)

MID = Message Identifier

NLB = Network Load Balancing

NSRL = Named Server Real Time List

OAPI = Object Application Programming Interface

OVF = Open Virtualization Format

OWA = Outlook Web Access / Outlook Web App (since EX 2010)

PDC = Primary Domain Controller

POC = Proof of Concept

PSA = Professional Services Automation

RAID = Redundant Array of Inexpensive Disks

RBL = Real-Time Block List

RC = Release Candidate

RIF = Recoverable Items Folder = Trash / Dumpster (before EX 2010)

RP = Remote Provider

SAN = Storage Area Network

SI = Solutions Integrator

SIS = Single Instance Storage

SMIME = Secure Multimedia Internet Mail Extension

SOAP = Simple Object Access Protocol

SP = Service Pack

SPF = Sender Policy Framework

SR = Solution Request (specific to MA)

SSL = Secure Socket Layer

SSV = Semicolon Separated Values

UUID = Unique User Identifier

UML = Unified Modeling Language

UPN = User Principal Name

VARS = Value Added Reseller

WebDAV = Web-based Distributed Authoring and Versioning (HTTP extensions)


Data Deduplication = technique for eliminating duplicate copies of redundant data (such as message attachments) to greatly reduce storage requirements. The term is sometimes used synonymously with Single Instance Storage.

Grey List = temporary rejection of email for a period of time to allow retries, used to combat spam.

Project governance = how decisions are made.

Published = archived from GroupWise (sent to indexing server)

Thick client = software run on the local workstation

Thin client = software run on a central system

Windows PowerShell = Microsoft's task automation and configuration management framework, consisting of a command-line shell and associated scripting language built on .NET Framework. PowerShell provides full access to COM and WMI.


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