MRM (messaging records management)Records management technology in Exchange 2007 that helps organizations to reduce the legal risks that are associated with e-mail and other communications.
MROC(1) Mobile Regional Operations Center. (2) Multiple Required Operational Capabilities.
MSBF (Mean Swaps Between Failures)the average number of swaps a jukebox or tape library can be expected to deliver before maintenance is required.
MSC(1) Military Sealift Command. (2) Mission Support Configuration. (3) Major Subordinate Command.
MSC (Mobile Switching Center)A Mobile Switching Center (MSC) is a unit within a cellular phone network that automatically coordinates and switches calls in a given cell.
msDS-ResultantPSOA user object attribute that can be queried to retrieve the distinguished name of the Password Settings object (PSO) that is applied to the user.
MSE(1) Mobile Subscriber Equipment (PATRIOT). (2) Multiple Simultaneous Engagements.
MSIA change that occurs in the DNA of certain cells (such as tumor cells) in which the number of repeats of microsatellites (short, repeated sequences of…
MSICMissile and Space Intelligence Center (DIA), Redstone Arsenal, AL.
MSL(Mean Sea Level) - The arithmetic mean of hourly water elevations observed over a specific 19-year tidal epoch.
MTA (message transfer agent)The component in all versions of Exchange Server that transfers messages between servers using the X.400 protocol. [Exchange 2000]
MTA CheckA command line tool that can be used to check the message transfer agent (MTA) database consistency of Exchange MTA, and to repair the MTA database if…
MTACCSMarine Tactical Air Command and Control System.
MTB(EME)Mean Time Between (Equipment Malfunction Event).
MTBCFMean Time Between Critical Failures ((ILS term).
MTDThe highest dose of a drug or treatment that does not cause unacceptable side effects.
MTDL (Mean Time until Data Loss)the average time until a component failure can be expected to cause data loss. This includes the consideration that RAID redundancy can protect against…
mu-law (µ-law) algorithmA standard analog signal compression algorithm, used in digital communications systems of the North American digital hierarchy, to optimize, i.e.
mudboxEquipment that is sufficiently rugged to withstand adverse environments. Note: A mudbox is expected to operate unsheltered on the ground.
Multi Carrier Toll Free ServiceThe capability resulting from the portability order that enabled multiple carriers to use the LEC Features such as Percent Allocation in the SMS/800 to…
Multi Dimensional ScalingThe process of taking shapshots of documents in a database to discover topical clusters through the use of latent semantic indexing.
Multi-AZ deploymentA primary DB instance that has a synchronous standby replica in a different Availability Zone.
multi-center exchangeAn exchange area in which are located two or more local central office buildings or wire centers. [47 CFR Pt.36-A]
multi-classComprising or containing information of more than one security class [CESG].
multi-class deviceA device required to store or process information of more than one security class simultaneously [CESG].
multi-element dipole antennaAn antenna consisting of an arrangement of multiple dipole antennas. Note: Various directivity patterns may be obtained by varying the arrangement of the…
multi-homed hostA computer that is connected to more than one physical data link; these data links may or may not be attached to the same network. [Bahorsky]