Microsoft KB Archive/937770

= An attachment is not available for some recipients when an e-mail message is sent to a distribution list in an Exchange 2003 environment =

Article ID: 937770

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Standard Edition
 * Microsoft Exchange Server 2003 Enterprise Edition

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SYMPTOMS
When an e-mail message that has an attachment is sent to a distribution list in a Microsoft Exchange Server 2003 environment, the attachment is not available for some recipients. For those recipients, the attachment icon can be seen by using Microsoft Office Outlook Web Access. However, there is no attachment when the recipients open the e-mail message.

This behavior occurs if the following conditions are true:
 * The Exchange 2003-based server has the latest software updates installed.
 * Some mailboxes are registered by using a store event sink that adds attachments to messages in the OnSyncSave event.
 * These mailboxes belong to a distribution list that does not register the store event sink.



CAUSE
This behavior occurs because Exchange 2003 keeps a single instance for the mailbox store. In this manner, Exchange 2003 prevents any changes by the store event sink.



STATUS
This behavior is by design.

Additional query words: OWA

Keywords: kbexchstore kbexpertiseinter kbtshoot kbprb KB937770

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