ADC (Active Directory Connector)The service that replicates information between the Exchange Server 5.5 directory and Active Directory.
Administration groupA collection of servers running Exchange 2000 that can be administered as a single unit.
ADO (ActiveX Data Objects)A programming layer built on top of OLE DB that allows high-level programming languages such as Visual Basic and VBScript to access an underlying data…
bridgehead serverA nominated server that acts as a message transfer point between Exchange 2000 routing groups.
CMS (Conferencing Management Service)The network service that coordinates the booking of virtual resources for online meetings in the Exchange Conference Service.
ConfigCA (Configuration Connection Agreement)A special Connection Agreement implemented as part of the Active Directory Connector that replicates configuration naming context data from downlevel…
Connection AgreementThe configuration of information to replicate using the Active Directory Connector.
CTP (Conference Technology Provider)A provider of data conferencing services such as real-time video, audio, and telephony integration. [Exchange 2000]
DSAccessThe Exchange 2000 component that provides directory lookup services for components such as Simple Mail Transfer Protocol (SMTP), Message Transfer Agent…
DSProxyThe Exchange 2000 component that can proxy (and refer) Messaging Application Programming Interface (MAPI) directory service requests from Outlook clients…
ESE (Extensible Storage Engine) (fka JET)Formerly known as Joint Engine Technologies (JET), the ESE is a method that defines a very low-level Application Programming Interface (API) to the…
Event ServiceA Windows NT service that is installed by Exchange Server 5.5. This service allows programmers to write programs that use Exchange's Event Handler to…
Event sinkA piece of code that is activated by a defined trigger, such as the reception of a new message.
EXIPC (fka Epoxy)A queuing layer that allows the Internet Information Server (IIS) and store processes (Inetinfo.exe and Store.
Front-end/back-endAn Exchange 2000 configuration in which clients access a bank of protocol servers (the front-end) for collaboration information, and these in turn…
MBR (Mail-based replication)A mechanism to replicate directory information through a messaging transport. This term applies to Exchange 5.
MCU (Multipoint Control Unit)A reference to the T.120 protocol that allows clients to connect to data conferencing sessions.
MDB (message database)An instance of a database implemented in Exchange server. A single MDB is normally identified as being public or private depending on the type of data…
MetabaseA store that contains metadata such as that used by Internet Information Server IIS to obtain its configuration data.
Metabase update serviceA component in Exchange 2000 that reads data from Active Directory and transposes it into the local IIS metabase.
metadataMetadata is information about a particular data set which may describe, for example, how, when, and by whom it was received, created, accessed, and/or…
MTA (message transfer agent)The component in all versions of Exchange Server that transfers messages between servers using the X.400 protocol. [Exchange 2000]
NNTP (Network News Transfer Protocol)Protocol that supports reading newsgroups, posting new articles, and transferring articles between news servers.
NSPI (Name Service Provider Interface)Part of the DSProxy process that can accept Outlook client directory requests and pass them to an address book provider. [Exchange 2000]
OLE DBSee definition for: Object Linking and Embedding Data Base
Outlook Web AccessThe Web browser interface to Exchange Server mailbox and public folder data. The Outlook Web Access client in Exchange Server 5.
PFCA (Public folder connection agreement)A connection agreement in the Active Directory Connector (ADC) that is responsible for replicating Public Folder proxy objects between the Exchange 5.
PolicyThe contract form issued by the company to explain the coverage provided. It is a legal document.
POP3 (Post Office Protocol version 3)A mail protocol that allows clients running it to retrieve mail from a host mail server also running the protocol. You can enable POP3 on a Domino server.
Protocol farmA collection of virtual servers that are used as the primary connection point for users in an organization.
resourceData, metadata, a collection of data, or a collection of metadata accessed as a content item. Examples: a document, a database table, a content class.
Resource mailboxA mailbox that is associated with a resource instead of a user (such as a conference room for reservation purposes). In Exchange 5.
RGC (Routing Group Connector)A connector in Exchange 2000 that connects routing groups to one another. An RGC is uni-directional and can have separate configuration properties (such…
Routing EngineThis COM component runs on the Event Service on Microsoft Exchange Server version 5.5.
routing groupA collection of Servers running Exchange 2000 that can transfer messaging data to one another in a single-hop without going through a bridgehead.
Routing ObjectsComponent Object Model (COM) objects that are used to program Exchange's routing engine behavior.
Routing serviceA component in Exchange 2000 that builds link state information. [Exchange 2000]
RPC (Remote Procedure Calls)A reliable synchronous protocol that transfers data between clients and servers, and between servers.
RUS (Recipient Update Service)This is part of the Exchange System Attendant and is responsible for keeping Address Lists up-to-date and creating proxy addresses for users.
RVP (Rendezvous Protocol)(Note that this name is preliminary). The Microsoft published protocol that is used between the MSN Messenger service and the Instant Messaging server…
SCC (Site Consistency Checker) (aka SKCC)The updated version of the Exchange Server 5.5 Knowledge Consistency Checker (KCC) that works in conjunction with (and is part of) the Exchange Site…
SchemaA set of rules or conceptual model for data structure and content, such as a description of the data content and relationships in a database.
Scripting AgentExchange Server Scripting Agent lets you use server-side scripts that run as a result of events occurring in Exchange folders.
SRS (Site Replication Service)A directory service (similar to the directory used in Exchange Server 5.5) implemented in Exchange 2000 to allow the integration with downstream Exchange…
Storage groupA collection of Exchange databases on a server running Exchange 2000 that share the same Extensible Storage Engine (ESE) instance and transaction log.
StoreThe generic name given to the storage subsystem on a server running Exchange. This term is used interchangeably to describe the Store.
system attendantOne of the core Exchange 2000 services that performs miscellaneous functions (usually related to directory information) such as generation of address…
T.120A standards-based protocol used with Exchange Data Conferencing. Clients such as Microsoft NetMeeting are T.120 compatible. [Exchange 2000]
Virtual rootA shortcut pointer to a physical storage location. Virtual roots are normally defined to allow users and applications to connect with a short "friendly"…
Virtual ServerA virtual computer that resides on an HTTP server but appears to the user as a separate HTTP server.
Web Storage SystemA storage platform that provides a single repository for managing multiple types of unstructured information in one infrastructure.