Establishing Co-Existence environment between Lotus Domino and Exchange 2000/3, based on SMTP and Microsoft Identity Integration Server

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Hang-on what about Lotus Notes Connector: Microsoft ships Lotus Notes connector with Exchange Server 2000/3, which provides high level of interoperability with Lotus Notes including directory synchronization, mail flow and free-busy update between the two systems. Furthermore Microsoft has published very detailed prescriptive guidance documentation on co-existence with Lotus Notes using Lotus Notes Connector as an interoperability mechanism. Therefore the use of Lotus Notes Connector should always be a preferred way to for establishing a co-existence environment between Lotus Domino and Exchange.  At the same time some customers have expressed an interest in using native SMTP capabilities of both systems for establishing a co-existence environment. In their view the use of native industry standard protocol like SMTP would simplify the interoperability and reduce the support cost, even at the expense of loosing some features provided by the Lotus Notes Connector (ex. free-busy update and directory synchronization).

Objective of this blog: This blog explores the possibility of using Microsoft Identity Integration Server to provide a bi-directional directory synchronization between Exchange 2000/3  and Domino, while mail flow is handled through SMTP. This blog should be viewed strictly as a proof of concept type of document, rather than a prescriptive guidance.

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