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Attachment is missing from an e-mail message that is sent to a Microsoft Windows SharePoint Services 3.0 document library

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Consider the following scenario. You use a Microsoft Exchange Server e-mail client, such as Microsoft Office Outlook, to send an e-mail message to a Microsoft Windows SharePoint Services 3.0 document library. The e-mail message contains an attachment. In this scenario, the e-mail message arrives in the document library. However, the attachment is missing.
This issue occurs when you associate the document library with an e-mail address. When you do this, the SharePoint Directory Management Service may not add the following attributes:
  • internet Encoding = 1310720
  • mAPIRecipient = false
These two attributes must be added to the contact so that the attachment is sent correctly.
To resolve this issue, you must use Active Directory Service Interfaces (ADSI) to manually add the two missing attributes. To do this, follow these steps:

Note On the Microsoft Windows Server 2003 CD, ADSI Edit is included in Windows Support Tools. To install Support Tools for Windows Server 2003, use the SUPTOOLS.MSI program that is located in the Support\Tools folder. To install Support Tools for Windows 2000, use the Setup.exe program that is located in the Support\Tools folder.
  1. Click Start, click Run, type Adsiedit.msc, and then click OK.
  2. Expand ADSI Edit, expand Domain [DomainName], expand DC=DomainName, DC=com, and then expand CN=Users.
  3. Right-click the user name to which you want to add the missing attributes, and then click Properties.
  4. In the properties dialog box, double-click internet Encoding on the Attribute Editor tab.
  5. In the Integer Attribute Editor dialog box, type 1310720 in the Value box, and then click OK.
  6. Double-click mAPIRecipient.
  7. In the Boolean Attribute Editor dialog box, click False, and then click OK two times.

In the Exchange Management Console, you can add a new Message Format under the Global Settings, set the domain to the Fully Qualified Domain Name of the SharePoint server, and set it to never use Exchange Rich-Text Format. 
For more information about contacts and users, click the following article number to view the article in the Microsoft Knowledge Base:
233209 Windows 2000 contacts and users

Article ID: 926891 - Last Review: 02/06/2011 13:14:00 - Revision: 3.0

  • Microsoft Windows SharePoint Services 3.0
  • Microsoft Office Outlook 2003
  • Microsoft Office Outlook 2007
  • kbtshoot kbexpertiseinter kbprb KB926891