Error message when you try to schedule a yearly recurring appointment on the 31st day of certain months: "The recurrence date is invalid"

In Microsoft Office Outlook Web Access for Microsoft Exchange Server 2007, you receive the following error message when you try to schedule a yearly recurring appointment on the 31st day of certain months: This problem occurs when the appointment is scheduled for one of the following dates:

• March 31
• May 31
• July 31
• October 31
• December 31

This problem occurs only on Exchange 2007 servers that use a "GMT+x" time zone and that have daylight saving time (DST) enabled.

To resolve this problem in Exchange Server 2007 Service Pack 1, install Update Rollup 1 for Exchange Server 2007 Service Pack 1. For more information about Update Rollup 1 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: To resolve this problem in the release version of Exchange Server 2007, install Update Rollup 6 for Exchange Server 2007. For more information about Update Rollup 6 for Exchange Server 2007, see the following Exchange Help topic: For more information about how to install the latest Exchange service pack or update rollup, see the following Exchange Help topic:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.