You cannot save an appointment to another user's calendar by using CDOEX in Exchange Server 2003 after you apply hotfix 895949

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Article ID: 919169 - View products that this article applies to.
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SYMPTOMS

When you use a Collaboration Data Objects for Exchange (CDOEX)-based program to save an appointment item to another user's calendar in a Microsoft Exchange Server 2003 organization, you receive an error message on the Results page. The error message resembles the following:
Result
Description:Transaction failed to commit for an unknown reason.
Source:CDO.Appointment.1
Number:-2147168254
This problem occurs after you apply hotfix 895949.

Microsoft Office Outlook Web Access clients may receive a different error message. When you try to modify a shared calendar item in Outlook Web Access, you may receive the following message:
You do not have permissions to modify this item

CAUSE

This problem occurs because hotfix 895949 introduces a change in the implementation of the "Send As" user right. This change was introduced to give administrators more direct control when they assign the "Send As" user right. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
895949 "Send As" permission behavior change in Exchange 2003

RESOLUTION

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:
http://support.microsoft.com/contactus/?ws=support
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.

Hotfix installation information

After you apply hotfix 919169, the calendar information that is to be posted to another user's calendar is treated as an IPM.Schedule message class. This grants the user the "Send on behalf of" user right.

Prerequisites

You must install Microsoft Exchange Server 2003 Service Pack 2 (SP2) before you apply the hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
836993 How to obtain the latest service packs for Exchange Server 2003

Restart requirement

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

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The Global 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.
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File nameFile versionFile sizeDateTimePlatform
Exosal.dll6.5.7651.4570,14424-Aug-200622:21x86
Mdbmsg.dll6.5.7651.453,372,54424-Aug-200616:54x86
Store.exe6.5.7651.455,258,75224-Aug-200622:22x86

STATUS

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

MORE INFORMATION

For more information about the terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
For more information about the naming schema for Exchange software updates, click the following article number to view the article in the Microsoft Knowledge Base:
817903 New naming schema for Exchange Server software update packages

Properties

Article ID: 919169 - Last Review: October 9, 2011 - Revision: 4.0
APPLIES TO
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
Keywords: 
kbautohotfix kberrmsg kbsendmail kbHotfixServer kbqfe kbfix kbbug KB919169

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