History
Planning the migration from Microsoft's internal "legacy XENIX-based messaging system" to the Exchange Server environment began in April 1993, and the process was completed in the late 1996 when the last XENIX server on the MS corporate backbone had been removed.
Read more about this topic: Microsoft Exchange Server
Famous quotes containing the word history:
“America is the only nation in history which, miraculously, has gone directly from barbarism to degeneration without the usual interval of civilization.”
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—Karl Marx (1818–1883)