Consider the following scenario:

•	You use Microsoft Office Outlook to access a Microsoft Exchange Server 2003 mailbox in online mode.
•	A folder contains thousands of e-mail messages.
•	You enable the Show in Groups option for this folder,

In this scenario, you may experience slow performance. Additionally, you may receive the following error message:

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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

To apply this hotfix, you must have Microsoft Exchange Server 2003 Service Pack 2 (SP2) installed.

Restart requirement

You do not have to restart the computer after you apply this software update. However, the Microsoft Exchange Information Store, Microsoft Search, the IIS Admin service, and all dependent services will be restarted.

Hotfix replacement information

This hotfix does not replace any other software updates.

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
Davex.dll	6.5.7653.31	1,135,616	11-Mar-2008	18:10
Exoledb.dll	6.5.7653.31	2,623,488	11-Mar-2008	03:10
Exosal.dll	6.5.7653.31	70,144	11-Mar-2008	17:46
Mdbmsg.dll	6.5.7653.31	3,381,248	11-Mar-2008	17:06
Store.exe	6.5.7653.31	5,266,944	11-Mar-2008	17:49

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

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To enable the Show in Groups option in Microsoft Office Outlook, click View, click Arrange By, and then click Show in Groups. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

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For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

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