Inline contents disposition is removed when you send a "Content-Disposition: inline" email message in an Exchange Server 2010 environment

Article ID: 2549286 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You send a Multipurpose Internet Message Encoding (MIME) email message by using Microsoft Exchange Web Services (EWS) in a Microsoft Exchange Server 2010 environment.
  • The Content-Disposition header for an attachment is set to inline.
  • The message format is plain text.
In this scenario, the inline contents disposition may be removed. Additionally, the attachment is not displayed as "inline" with the email message body in some client applications.

CAUSE

This issue occurs because EWS incorrectly removes the inline contents disposition when the content is converted to MAPI format.


RESOLUTION

To resolve this issue, install the following update rollup:
2645995 Description of Update Rollup 1 for Exchange Server 2010 Service Pack 2

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 EWS, visit the following Microsoft website:
General information about EWS
For more information about the Content-Disposition: inline header, visit the following Microsoft website:
General information about the Content-Disposition: inline header
For more information about the content conversion process, visit the following Microsoft website:
General information about the content conversion process

For more information about the TNEF format, visit the following Microsoft website:
General information about the TNEF format

Properties

Article ID: 2549286 - Last Review: February 13, 2012 - Revision: 1.0
APPLIES TO
  • Microsoft Exchange Server 2010 Service Pack 2, when used with:
    • Microsoft Exchange Server 2010 Enterprise
    • Microsoft Exchange Server 2010 Standard
Keywords: 
kbqfe kbfix kbexpertiseinter kbsurveynew KB2549286

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