Chapter 10: Migrating from Other Messaging Systems

Chapter 10: Migrating from Other Messaging Systems

Overview

Computer applications evolve in either of two ways. One route is to continually update, applying software and hardware upgrades as they become available. The other is to migrate from one system to another. The former is less painful than the latter, but sometimes a migration is deemed to be imperative and so it proceeds. In this chapter we'll look at some of the aspects of messaging systems that migrations bring to the fore, with particular reference to the tasks involved in planning for and then executing a migration of a messaging system to Exchange.

An end, or a beginning?

I hate migrations. It's a fact of life that a large number of Exchange installations will involve a migration in some form or other. Any migration I have ever been involved with has been painful, and many have left a bad taste in my mouth. No migration is or can be seamless and users always experience some impact. So it's important to be sure that a migration is justified, feasible, and the right thing to do. Asking yourself some questions and making sure you have answers, and then analyzing the content of the answers is an excellent way of verifying that a migration is the right thing to do. In my opinion, amongst the first questions that must be answered in relation to a migration from an existing electronic mail system to Exchange are:


	?	Why are we considering a migration away...

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Microsoft Exchange Server 5.5: Planning, Design, and Implementation

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Chapter 10: Migrating from Other Messaging Systems

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