Consider the following scenario:

•	You have a mailbox on a server that is running Microsoft Exchange Server 2003.
•	You use Microsoft Office SharePoint Server 2007 to send a notification message to the mailbox.
•	You try to open the SharePoint Server 2007 notification message in Microsoft Office Outlook 2007.
•	Outlook 2007 is running in Cached Exchange Mode.

In this scenario, you cannot open the notification message in Outlook 2007.

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This problem occurs because Exchange 2003 cannot convert the MIME-type properties to MAPI-type properties correctly if the names of the properties begin with X-.

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Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

Because of file dependencies, Microsoft Exchange Server 2003 Service Pack 2 (SP2) must be installed before you apply this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Restart requirement

You do not have to restart your computer after you apply this hotfix. However, the Microsoft Exchange Information Store service and all dependent services are restarted when you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

File name	File version	File size	Date	Time	Platform
Exosal.dll	6.5.7652.9	70,144	13-Jan-2007	09:06	x86
Mdbmsg.dll	6.5.7652.9	3,375,104	13-Jan-2007	08:21	x86
Store.exe	6.5.7652.9	5,263,360	13-Jan-2007	09:10	x86

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

This problem was fixed in Microsoft Exchange Server 2007.

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