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Migrating from Exchange Server 5.5

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007

Topic Last Modified: 2006-11-22

You cannot upgrade an existing Microsoft Exchange Server version 5.5 organization to Exchange Server 2007. You must first migrate from the Exchange Server 5.5 organization to an Exchange Server 2003 or an Exchange 2000 Server organization. Then you can transition the Exchange 2003 or Exchange 2000 organization to Exchange 2007.

For more information about migrating from Exchange Server 5.5 to Exchange 2003, see Migrating from Exchange Server 5.5 to Exchange Server 2003 in the Exchange Server Deployment Guide.

For more information about migrating from Exchange Server 5.5 to Exchange 2000, see Upgrading from Exchange Server 5.5 to Exchange 2000 Server: A Six-Step Case Scenario.

For more information about transitioning from Exchange 2003 or Exchange 2000 to Exchange 2007, see the following topics:

To ensure that you are reading the most up-to-date information and to find additional Exchange Server 2007 documentation, visit the Exchange Server TechCenter.
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