Knowledge Base

XFOR: Cannot Open SMTP Messages that Contain Attachments

Article ID: 188222

Article Last Modified on 10/28/2006

Microsoft Exchange Server 5.0 Standard Edition
Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q188222

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:

170060 XADM: Store Uses 100% of CPU on Incoming MIME Binhex Message

Keywords: kbbug KB188222