Migrating Exchange 5.5 Connectors and Services to Exchange Server 2003
With connectors in general, the best migration path is to build parallel connectors on Exchange Server 2003 systems. This way, the Exchange 5.5 connectors can remain intact and continue to route mail and perform directory synchronization with the foreign mail system.
The benefits of running connectors on both systems are as follows:
Involves less risk when migrating the connectors
Enables administrators to view Exchange 5.5 connector configuration when configuring and administering the Exchange Server 2003 connector
Allows for controlled mail flow testing
Provides a fallback plan if software defects or configuration issues are encountered with the Exchange Server 2003 connector ...
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