When a CDO 1.2.1-based application generates a meeting request that includes some European characters in the message body, these characters appear as question marks in Exchange 2007

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Article ID: 950115 - View products that this article applies to.
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SYMPTOMS

In a Microsoft Exchange Server 2007 environment, you develop a Collaboration Data Objects 1.2.1 (CDO)-based application to generate meeting requests or appointments. However, when the meeting request contains certain European characters in the message body, such as "€", the received meeting request substitutes question marks (?) for those characters.

CAUSE

This issue occurs because the CDO 1.2.1 application generates the meeting request by using a default Windows code page 1252. In Exchange 2007, CD0 1.2.1 maps Windows code page 1252 characters to ISO-8859-1 characters for the message body. Therefore, the application loses some European characters.

Note Originally, Windows code page 1252, the code page that is usually used for English and other Western European languages, was based on an American National Standards Institute (ANSI) draft. That draft eventually became ISO 8859-1, but Windows code page 1252 was implemented before the standard became final, and it is not identical to ISO 8859-1.

RESOLUTION

To resolve this problem, install Update Rollup 7 for Exchange 2007 Service Pack 1. For more information about Update Rollup 7 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 7 for Exchange Server 2007 Service Pack 1
For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007

MORE INFORMATION

For more information about the code pages, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/dd317752(VS.85).aspx
For more information about Collaboration Data Objects version 1.2.1, visit the following Microsoft Web site:
http://www.microsoft.com/downloads/details.aspx?familyid=2714320d-c997-4de1-986f-24f081725d36&displaylang=en

STATUS

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

Properties

Article ID: 950115 - Last Review: March 18, 2009 - Revision: 1.1
APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 1, when used with:
    • Microsoft Exchange Server 2007 Standard Edition
    • Microsoft Exchange Server 2007 Enterprise Edition
Keywords: 
kbqfe kbexpertiseinter kbsurveynew kbhotfixrollup KB950115

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