Download Microsoft Exchange Server 2003 SP1

Service Pack 1 for Exchange Server 2003 can be found on the Microsoft website. The full release notes are available as a self-extracting archive. to downloadbut in summary, Microsoft had the following to say about this release:

With Exchange Server 2003 Service Pack 1 (SP1), you can take advantage of updates and improvements to Exchange Server 2003 such as:

• Enhanced security
• Updated deployment tools to make Exchange Server 5.5 upgrades and site consolidation even easier
• New language support for Outlook Mobile Access and Outlook Web Access spell checkers
• Enhancements to the Outlook Mobile Access user interface that include out-of-office modification, a larger text entry field, search folder support, and improved menu navigation
• Co-existence and migration support in a new Active Directory Connector and IBM Lotus Notes R6 Connector
• Updates and improvements based on your feedback [break] Microsoft Exchange Server 2003 will only run on Windows Server 2003 and Windows Server 2000, running at least Service Pack 4 is installed.