Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Applies to: Exchange Server 2007, Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3
Microsoft Exchange Server 2007 introduces several architectural changes from previous versions of Exchange Server. Many features and components have been redesigned, some features have been removed, and several new features have been added.
The following sections discuss Exchange 2007 architecture from an information technology (IT) professional perspective:
Architectural information for developers can be found in the Exchange 2007 Software Development Kit (SDK).