DOCUMENT:Q188222  23-APR-1999  [exchange]
TITLE   :XFOR: Cannot Open SMTP Messages that Contain Attachments
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:5.0,5.5
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Exchange Server, versions 5.0, 5.5 
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SYMPTOMS
========

When you use either the Microsoft Exchange Client or the Microsoft Outlook
Client to open an SMTP message that contains an attachment, you may receive the
following error:

   Can't open this item. Cannot add the attachment; no data source was provided.

CAUSE
=====

This error is caused by a BinHex-labelled body part that is missing the BinHex
prolog.

STATUS
======

Microsoft has confirmed this to be a problem in Microsoft Exchange Server
versions 5.0 and 5.5.

MORE INFORMATION
================

For more information on problems caused by inability to detect the Bibhex
prelog, please see the following article in the Microsoft Knowledge Base:

   Q170060 XADM: Store Uses 100% of CPU on Incoming MIME Binhex Message

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Keywords          :  
Technology        : kbExchangeSearch kbExchange500 kbExchange550 kbZNotKeyword2
Version           : WINDOWS:5.0,5.5
Issue type        : kbbug

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