priority queuingA feature of Exchange Server 2007 Service Pack 1 (SP1) that enables the sender-defined priority of a message to influence the processing of the message by…
private information storeThe part of the information store that maintains information in users' mailboxes. [Exchange 5.5]
privilegeA benefit or advantage to certain persons beyond the advantages of other persons, i.e., an exemption, immunity, power, etc.
profileA sectional view showing grades and distances, usually taken along the centerline.
promptAn audio message played over the telephone to explain valid options to users. [Exchange 2007]
prompt publishing pointA file share where storage space is available for Unified Messaging custom prompts. Each dial plan has only one prompt publishing point.
property setA property set is a grouping of Active Directory attributes. You can control access to this grouping of Active Directory attributes by setting one access…
protocolAn action plan for a clinical trial. The plan states what the study will do, how, and why.
Protocol Analysis agentThe underlying agent that is used by the Sender Reputation feature in Exchange Server 2007.
Protocol farmA collection of virtual servers that are used as the primary connection point for users in an organization.
proxy serverA server that receives requests intended for another server and that acts on the client's behalf (as the client's proxy) to obtain the requested service.
public folderA folder that coworkers can use to share a wide range of information, such as project and work information, discussions about a general subject, and…
public folder affinityEnables users in one site to open public folders on servers in other sites. [Exchange 5.5]
public folder databaseA database that stores public folders, indexes their contents, and assists in the replication of the folders with other Exchange servers.
public folder distributionThe distribution method by which Outlook 2003 or earlier clients that are working offline or through a dial-up connection access the offline address book…
public folder hierarchyA tree or hierarchy of public folders with a single public folder store. [Exchange 2003]
public folder replicationThe process of keeping copies of public folders on other servers up-to-date and synchronized with each other. [Exchange 2003]
public folder storeThe part of the Exchange store that maintains information in public folders. A public folder store consists of a rich-text .
public information storeThe part of the information store that maintains information in public folders. [Exchange 5.5]
public keyAn encryption key associated with a Notes ID that is used to verify an electronic signature, encrypt a message, or identify an authenticating user.
query-based distribution groupA distribution group that uses a Lightweight Directory Access Protocol (LDAP) query to derive its membership at the time the message is sent.
queueA system where if a realm is overloaded, subsequent players trying to log on will be queued up in a first come first serve basis and allowed to log on…
Queue ViewerA tool in the Exchange Management Console that helps administrators monitor and manage messaging queues and the messages that are contained in those…
quota messageAn e-mail message that is automatically sent by Microsoft Exchange to the owners of a mailbox or a public folder when a size limit, which is called a…
RBL (real-time block list)A database of Internet Protocol (IP) addresses of sources that have been verified as being unsolicited commercial e-mail (also known as spam).
Receive connectorA connector that is used to receive mail from remote mail systems based on administrator-defined address spaces.
recipientAn Active Directory object that is mail-enabled, mailbox-enabled, or that can receive e-mail messages.
Recipient Block listAn administrator-defined list of recipients for which mail coming in from the Internet should never be accepted. [Exchange 2007]
recipient policyA policy that is applied to mail-enabled objects to generate e-mail addresses. Recipient policies can be defined to apply to thousands of users, groups…
Recipient Update ServiceAn Exchange Server 2003 service that updates the recipient objects within a domain with specific types of information.
remote delivery queueA group of temporary queues that hold messages that are being delivered to a remote destination by using SMTP.
remote device wipeA technology that enables the Exchange server to set a mobile device to erase all data the next time the device connects to the Exchange server.
Replay SuspendOne of four health states of a storage group copy. Replay Suspend indicates that an administrator has temporarily halted log replay. [Exchange 2007]
replica seederAlso known as seeder, the replica seeder is an internal component that is responsible for seeding the passive copy for storage groups that are enabled for…
replicasA copy of a public folder that contains all of the folder's contents, permissions, and design elements, such as forms behavior and views.
ReplicationThe in vivo synthesis of double-stranded DNA by copying from a single-stranded template.
Replication IDA 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number.
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 Booking AttendantA calendaring feature that automatically manages resources. Resource requests are automatically accepted or denied depending on availability and policies.
Resource mailboxA mailbox that is associated with a resource instead of a user (such as a conference room for reservation purposes). In Exchange 5.
reverse proxy serverA reverse proxy server is similar to a regular proxy server used for outbound network traffic except that it relays connection requests for inbound…
RevocationWithdrawing the protections associated with a patent grant.
RFC (Request for Comments)An official document of the Internet Engineering Task Force (IETF) that specifies the details for protocols included in the TCP/IP family. [Exchange 2007]
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…
room mailboxA room mailbox is a type of resource mailbox that is assigned to a meeting location such as a conference room, auditorium, or training room.
round robinA simple mechanism used by DNS servers to share and distribute loads for network resources.
RoutingThe methods of predicting the attenuation of a flood wave as it moves down the course of a river.
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 group connectorAn SMTP connector that is required for mail to flow between Exchange routing groups.
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]
routing tableContains information that the MTA needs to route messages. [Exchange 5.5]
RPC (remote procedure call)A message-passing facility that allows a distributed application to call services that are available on various computers on a network.
RPC (Remote Procedure Calls)A reliable synchronous protocol that transfers data between clients and servers, and between servers.
RR (read receipt)A notice that a message was read by its intended recipient. [Exchange 5.5]
RSG (recovery storage group)A special storage group that enables you to mount a mailbox database, extract data from the mounted database, and then either copy the extracted data to a…
RTAudioAn advanced speech codec that is designed for real-time two-way Voice over IP (VoIP) applications such as gaming, audio conferencing, and wireless…
Rulean authoritative direction for conduct or procedure.
rule collectionAn ordered set of rules for the purpose of implementing a messaging policy. The number of rule collections is set at design time. [Exchange 2007]
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…
safe list collectionThe combined data from an Office Outlook user's Safe Senders List, Safe Recipients List, Blocked Senders List, and external contacts, that is stored in…
Safe Recipients ListA list that includes the e-mail addresses of mailing lists for which you want to be a recipient.
Safe Senders ListA list of domain names and e-mail addresses that you want to receive messages from.
safelist aggregationA set of anti-spam functionality that is shared across Microsoft Office Outlook and Exchange Server 2007.
SCC (single copy cluster)A single copy cluster is a clustered Exchange deployment that uses shared storage and can have multiple active and passive servers (referred to as nodes)…
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…
Scheduling AssistantAn Outlook and Outlook Web Access feature that automatically suggests the best meeting times for a given a group of attendees, allowing users to schedule…
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.
SCL (spam confidence level)The normalized value that is assigned to an e-mail message. This value indicates, based on the characteristics of the message, such as the content…
SCR (standby continuous replication)Standby continuous replication (SCR) is a new feature introduced in Microsoft Exchange Server 2007 Service Pack 1 (SP1).
Scripting AgentExchange Server Scripting Agent lets you use server-side scripts that run as a result of events occurring in Exchange folders.
SCW (Security Configuration Wizard)A tool that automates security best practices to reduce the attack surface for a server. The SCW was introduced with Windows Server 2003 Service Pack 1.
security contextThe security attributes or rules that are currently in effect. For example, the rules that govern what a user can do to a protected object are determined…
Security descriptorA data structure that contains security information associated with a protected object.
seedingSeeding is the process in which a database, either a blank database or a copy of the production database, is added to the storage group copy.
Send connectorA connector used to send mail to remote mail systems based on administrator-defined address spaces.
sender reputationAnti-spam functionality that is enabled on computers that have the Edge Transport server role installed to block messages according to characteristics of…
server clusterA group of computers, known as nodes, that work together as a single system to ensure that mission-critical applications and resources remain available to…
server roleIn Exchange 2007, a server role is a logical grouping of features and services that allow you to complete a specific set of tasks.
service accountA Windows Server 2003 or Windows 2000 user account that is used to run some Exchange services. [Exchange 2003]
signingAn advanced security feature that verifies the sender's identity and verifies that the message hasn't been modified during transit. [Exchange 5.5]
SiteIn archeology, any location of past human activity.
Site ConnectorAn Exchange component that enables users in sites on the same local area network (LAN) to exchange messages. [Exchange 5.5]
smart hostA designated server through which Exchange routes all outgoing messages. The smart host then makes the remote connection.
SMTP connectorA software component that represents a logical path between a source and a destination for the purpose of transmitting Simple Mail Transfer Protocol…
snap-inA type of tool that you can add to a console supported by Microsoft Management Console (MMC).
soft deleteThe process of moving an item to the Deleted Items folder.
SourceAny place or object from which air pollutants are released. Sources that are fixed in space are stationary sources and sources that move are mobile…
SOX (Sarbanes-Oxley Act of 2002)A U.S. federal law that requires the preservation of records by certain exchange members, brokers, and dealers. [Exchange 2007]
SpamUnelicited emails in large quantities; rapidly repeated scrolling text.
SPF (sender policy framework)An extension of the SMTP protocol that prevents spammers from forging the From: fields in e-mail messages by verifying that the IP address in the SMTP…
split brain syndromeSplit brain syndrome occurs when all networks designated to carry internal cluster communications fail, and nodes cannot receive heartbeat signals from…
spoofed mailAn e-mail message whose sending address has been modified to appear as though it originates from a sender other than the actual sender of the message.