Article ID: 972077 - View products that this article applies to.
Microsoft Exchange Server 2003 has a quota limitation for named properties. When many X-headers are promoted to named properties and the quota limitation is reached, you may receive the following error message in Microsoft Office Outlook:
Additionally, you find the following error message in the Application log:
Outlook cannot display this view. Unknown Error.
Hotfix informationA 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 the problem described in this article. 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:
Before you install this hotfix for Exchange Server 2003, you must install Exchange Server 2003 Service Pack 2 (SP2).
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/836993/ )How to obtain the latest service packs for Exchange Server 2003
Restart requirementYou do not have to restart the computer after you apply this hotfix. The following services are restarted automatically when you apply this hotfix:
File informationThe 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.
Collapse this tableExpand this table
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756After you apply this fix, you may follow these steps to set a registry entry to control the promotion of X-headers for named properties:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
The default behavior is true when this registry entry is not found.
For more information about named properties and X-Headers, visit the following Microsoft Web site:
Genearal information about named properties and X-Headers
Article ID: 972077 - Last Review: March 16, 2010 - Revision: 1.0