Microsoft® Exchange Server 2003 Unleashed

Comparing Exchange 5.5 and Exchange Server 2003 Environments

Exchange 5.5 left a lot to be desired when it came to enterprise deployments. It was a fantastic product in small and medium-size companies and for collaboration at the department level. This section examines some of the ways that Exchange 5.5 was typically deployed and how its shortcomings are resolved in Exchange Server 2003. The idea behind this section is to give Exchange 5.5 architects and administrators some ideas of how they can leverage the capabilities of Exchange Server 2003. In most environments, upgrading all the Exchange 5.5 servers to Exchange Server 2003 will not be the best solution to leverage Exchange Server 2003. Some places in the environment could or should be consolidated ...