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Outlook Meeting Request sent to DL Shows Members As Optional

Support for Office 2003 has ended

Microsoft ended support for Office 2003 on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article was previously published under Q214633
When you send a meeting request, you can put Distribution Lists (DLs) on the To line as required attendees. When the recipient accepts this meeting invitation, your original meeting item shows that recipient as an Optional attendee instead of Required.
When Outlook receives a meeting acceptance, the sender of the acceptance is compared to the recipients in the meeting attendee list. If that recipient is not listed, it is assumed to be "optional" and added to the list of attendees.
This is by design.
To work around this issue in Outlook 2003 or later versions, expand the DL as soon as it is added to the meeting list. If the DL contains other DLs nested in it those will also have to be expanded.

More information

OL2K ol2003 ol2007 ol2010 Meeting DL optional
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 214633 - Last Review: 07/25/2013 19:08:00 - Revision: 6.0

Microsoft Outlook 2000 Standard Edition, Microsoft Office Outlook 2003, Microsoft Office Outlook 2007, Microsoft Outlook 2010, Microsoft Outlook 2013

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