Today Microsoft released some updated Exchange Server tools:

• Microsoft Exchange Server 2003 Calendar Connector for Lotus Notes (v06.05.8039) - The Microsoft Exchange Server 2003 Calendar Connector for Lotus Notes supports the sharing of calendar free/busy schedules between Lotus Domino R5 and R6 and Exchange Server 2003. This tool replaces the Calendar Connector that ships with Exchange Server 2003 (including SP2), and is designed to be used with the Microsoft Exchange Server 2003 Connector.
• Microsoft Exchange Server 2003 Connector for Lotus Notes (v06.05.8039) - The Microsoft Exchange Server 2003 Connector for Lotus Notes supports messaging and calendaring interoperability between Lotus Domino R5/R6 and Microsoft Exchange Server 2003 and Windows Server 2003 Active Directory. This tool replaces the Connector that ships with Exchange Server 2003 (including SP2), and includes several updates to support better message fidelity when routing email between Exchange and Domino, support of iNotes and Domino Web Access clients, enhanced Unicode support and reliability.
• Microsoft Exchange Server 2003 Migration Wizard for Lotus Notes (v06.05.8039) - The Microsoft Exchange Server 2003 Migration Wizard for Lotus Notes supports the migration of Lotus Domino R5 and R6 mailboxes and associated Domino directory information to Microsoft Exchange Server 2003 and Windows Server 2003 Active Directory. This tool replaces the Migration Wizard that ships with Exchange Server 2003 (including SP2), and includes improved retention of contents and Unicode characters during the migration from Domino to Exchange Server 2003.
• Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1 (v06.05.8039) - The Messaging API is a COM-like API that provides access to the contents of messaging stores. CDO 1.2.1 (Collaboration Data Objects, version 1.2.1) is a package providing access to Outlook-compatible objects through a COM-based API. Using either CDO or MAPI, a program can connect to a MAPI store, and then perform operations against that store. Starting with Exchange 2007, Microsoft will distribute the MAPI client libraries and CDO 1.2.1 as a Web download.
• Collaboration Data Objects, version 1.2.1 (v6.5.8039.0) - CDO 1.2.1 (Collaboration Data Objects, version 1.2.1) is a package providing access to Outlook-compatible objects through a COM-based API. Using CDO, a program can connect to a MAPI store, and then perform operations against that store, including creating and processing calendar items, and resolving and handling mail recipients. Starting with Exchange 2007 and Outlook 2007, Microsoft will distribute CDO 1.2.1 as a Web download, separated from the two products.
• Outlook 2007: Auxiliary Reference (Aug08) - The Outlook 2007 Auxiliary Reference contains conceptual, reference, and code sample topics to guide you in developing solutions using MAPI and Outlook APIs that are exposed outside the Outlook object model.