FirewallA set of related programs that protect the resources of a private network from users from other networks.
folder treeA hierarchical display of folder organization.
Foreign connectorAn Exchange Server 2007 connector that uses a Drop directory on a Hub Transport server to send messages to a local messaging server that doesn't use the…
foreign gateway connection handlerIn Exchange Server 2007, a component of the Microsoft Exchange Transport service that manages delivery of messages to Drop directories that are configured…
foreign systemA messaging system other than Exchange. [Exchange 5.5]
ForestTerrestrial ecosystem (biome) with enough average annual precipitation (at least 76 centimeters or 30 inches) to support growth of various species of…
ForestPrepA tool that is used during deployment to extend the Active Directory schema to include Exchange-specific classes and attributes.
formThe mass or shape of an object or objects that appears unified, such as a vegetative opening in a forest, a cliff formation, or a water tank.
forms-based authenticationForms-based authentication provides a Web logon screen for users to authenticate to gain access to their mailboxes when using Microsoft Outlook Web Access.
FQDN (fully qualified domain name)A Domain Name System (DNS) that has been stated unambiguously to indicate with certainty its location in the domain namespace tree.
free/busy statusThe availability of a person. In addition to free and busy, the status can also be out-of-office (OOF) or tentative. [Exchange 2003]
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…
front-end/back-end architectureAn Exchange configuration where clients access a bank of protocol servers (the front-end) for collaboration information, and then these servers…
FRS (File Replication Service)A multimaster replication service that is used replicate files and folders between servers. [Exchange 2007]
full mesh topologyA network architecture in which each network segment can reach any other network segment directly through a point-to-point physical or logical connection.
GAL (global address list)A list that contains all Exchange users, contacts, groups, conferencing resources, and public folders in an organization.
gatewayAn element that contained a node on the SDS backbone network as well as on some other network(s) and would have performed protocol and format conversions…
Global CatalogA directory database that applications and clients can query to locate any object in a forest.
group(also referred to as a Technology Center or TC) - a unit of several Group Art Units in the mechanical, electrical, chemical or design area, managed by one…
GUID (globally unique identifier)A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number.
handoffThis occurs when information on positions, velocities and tracks are given by one sensor or system to another and the first sensor or system continues to…
HealthyOne of four health states of a storage group copy. Healthy indicates that the passive copy of a storage group can be advanced by log replay.
heartbeat intervalThe amount of time that can elapse before the Exchange server asks a mobile device running Exchange ActiveSync to connect again. [Exchange 2007]
heuristic attributeThis attribute enables envelope journaling at the Exchange organizational level.
HIPAA Privacy RuleA rule issued by the U.S. Department of Health and Human Services to implement the privacy requirements of the Health Insurance Portability and…
home serverThe Exchange server that contains a user's mailbox.
HTTP (HyperText Transfer Protocol)The underlying protocol used by the World Wide Web. HTTP defines how messages are formatted and transmitted, and what actions Web servers and browsers…
Hub Transport server roleAn Exchange Server 2007 server role that provides routing within a single organizational network by using the Active Directory directory service site.
hunt groupA group of servers that are assigned one phone number. Clients dial the one phone number and connect to any available server.
IETF (Internet Engineering Task Force)An open community of network designers, operators, vendors, and researchers concerned with the evolution of Internet architecture and the smooth operation…
IIS (Internet Information Services)The Microsoft Web service for publishing information on an intranet or the Internet, and for building server-based Web applications.
IM (Instant Messaging)The Exchange 2000 service that allows for real-time messaging and collaboration between users.
impersonationThe ability of a thread to run in the security context of a security principal different from the security principal that started the process.
In-Country/Region Number FormatThe string that is used to define how to create an in-country/region number to use when making calls from a dial plan. [Exchange 2007]
in-place upgradeIn Exchange Server documentation, this is the scenario in which you upgrade to a newer version of Microsoft Exchange software on a single computer.
inbound hostThe host computer that provides a newsfeed. [Exchange 5.5]
inbound recipient filteringA recipient filter that reduces unsolicited e-mail by filtering inbound information based on the recipient, and applicable only to e-mail messages sent by…
InetOrgPersonAn Active Directory object that is similar to the Windows user object, but has extended attributes to improve compatibility with directory services that…
information serviceA tool that enables Exchange and foreign systems to exchange mail. [Exchange 5.5]
information storeAn Exchange core component that stores users' mailboxes and folders. See also public information store, private information store. [Exchange 5.5]
Information Store ViewerA tool that shows the properties available for each message, how you can use them, and in what format they appear.
informational announcementAn audio message that is played when a user first dials in to a Unified Messaging system that describes some temporary condition of interest to all users.
Intelligent Message FilterThe underlying technology of the Exchange Server content filter that evaluates inbound mail and assesses the probability that an inbound e-mail message is…
International Access CodeThe prefix that is used to direct a call internationally. The International Access Code is 011 in the United States and 00 in much of the rest of the…
International Number FormatThe string that is used to define how to dial someone from outside of their country/region. [Exchange 2007]
InternetA worldwide network of networks that all use the TCP/IP communications protocol and share a common address space.
Internet e-mail addressConsists of a user name and a domain name, with the two separated by an at (@) sign, such as username@company.com. [Exchange 5.5]
Internet Key ExchangeA protocol that establishes the security association and shared keys necessary for two parties to communicate with Internet Protocol security (IPSec).
Internet Mail ServiceAn Exchange component that enables users to exchange messages with Internet users.
Internet News ServiceEnables Microsoft Outlook users and users of third-party Network News Transfer Protocol (NNTP) applications to participate in USENET newsgroup discussions.
InteroperabilityThe ability of systems, units, or forces to provide services to or accept services from other systems, units, or forces and to use the services so…
intranetA private network that uses Internet-related technologies to provide services within an organization.
IP address/TCP port combinationA combination of attributes that uniquely identifies Simple Mail Transfer Protocol (SMTP), Network News Transfer Protocol (NNTP), Internet Message Access…
IP Allow listA filtering list that is used by the Connection Filter agent in Exchange Server 2007.
IP Block listA filtering list that is used by the Connection Filter agent in Exchange Server 2007. IP addresses on the IP Block list are considered spam.
IP gatewayA third-party hardware device or product that connects a legacy PBX to a LAN. An IP gateway translates or converts TDM or telephony circuit-switched…
IWA (Integrated Windows Authentication)An authentication method in which the user name and password, also called credentials, are hashed before they are sent over the network.
JET (Joint Engine Technology)Defines the low-level access to underlying database structures in Exchange Server 4.0 and 5.0.
JetstressA tool that can be used to verify the performance and stability of a disk subsystem before putting an Exchange server into production.
journal data formatJournaling is enabled at the mailbox store level. To enable journaling, you must enter a mailbox where the journalized messages are sent.
journal recipientThe journal recipient for the sender's mailbox database will receive a complete record of all recipients who receive a copy of a message sent by that…
journalingA function of e-mail systems (such as Microsoft Exchange and Lotus Notes) that copies sent and received items into a second information store for…
Journaling agentA compliance-focused agent that is configured to journal e-mail messages that are sent or received by departments or individuals in an Exchange Server…
journaling effect on user mailbox serversWhen journaling is enabled in a mailbox database and a user who has a mailbox on that mailbox database sends a message, the server generates two messages…
junk e-mailUnsolicited commercial e-mail (UCE). Also known as spam. [Exchange 2007]
keyA block, often used in a series, which projects beyond the edge of the enframement of an opening and is joined with the surrounding masonry.
LCR (local continuous replication)Local continuous replication (LCR) is a single-server solution that uses built-in technology to create and maintain a copy of a storage group on a second…
Lightweight Directory ServicesA stand-alone directory service that is designed specifically for use with directory-enabled applications.
link state informationInformation about the state of messaging routes (links) in an Exchange Server 2003 messaging system that is determined using the link state algorithm to…
link state tableThe database used on each Exchange Server 2003 server to store link state information propagated by the link state algorithm.
LinkAccessA feature that allows access to SharePoint documents and sites and documents on shares inside of a corporate network through Outlook Web Access when it is…
linked connectorIn Exchange Server 2007, a Receive connector that is linked to a Send connector.
local delivery messageA message sent between recipients that share the same home server. [Exchange 5.5]
lossy failoverAn unscheduled outage of a clustered mailbox server (CMS) in a cluster continuous cluster (CCR) environment in which data was lost. [Exchange 2007]
LSA (Link State Algorithm)The algorithm used to propagate routing status information between servers running Exchange 2000.
mail contactA mail-enabled Active Directory contact that contains information about people or organizations that exist outside an Exchange Server organization.
mail userA mail-enabled Active Directory user that represents a user outside the Exchange organization. Each mail user has an external e-mail address.
mail-enabledAn Active Directory object that has at least one e-mail address defined. If the user is mail-enabled, the user has an associated e-mail address, but does…
MailboxAn area on a storage device where email is placed. In email systems, each user has a private mailbox.
mailbox databaseA database for storing mailboxes in Exchange Server. The mailbox database manages the data in mailboxes, tracks deleted messages and mailbox sizes, and…
mailbox delivery queueA group of temporary queues that hold messages that are being delivered to a Mailbox server by using encrypted Exchange RPC.
Mailbox server roleAn Exchange Server 2007 server role that provides e-mail storage and advanced scheduling services for Microsoft Office Outlook users.
mailbox storeA database for storing mailboxes in Exchange. Mailbox stores store data that is private to an individual and contain mailbox folders generated when a new…
mailbox userA mail-enabled Active Directory user object that has mailbox attributes. [Exchange 2007]
mailbox-enabledAn Active Directory object that has an Exchange mailbox associated with it; therefore it can both send and receive messages within the Exchange system.
managed content settingsSettings that are applied to the managed folders in users' mailboxes to control the retention and journaling of messages for messaging records management…
managed custom folderA type of managed folder that is created by an Exchange administrator and placed in a user's mailbox for messaging records management (MRM) purposes.