TNEF is behind the winmail.dat files that non-outlook clients receive. The
TNEF data contains the tracking response data. It's not unusual for it to be
missing or corrupt when coming from the internet.

Does an antivirus application scan internet email?

--
Diane Poremsky [MVP - Outlook]
Outlook Tips: http://www.outlook-tips.net/
Outlook & Exchange Solutions Center: http://www.slipstick.com

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"JD2" wrote in message
...
Hi Diane,

Thanks for your quick response. The users are internal. It is sporadic -
it only affects some and not others, and not all the time! What do you
mean
by "TNEF data"?

Kind regards
JD2

"Diane Poremsky [MVP]" wrote:

Are the responses coming from internal users or the internet? If the TNEF
data is missing tracking will fail to update.

--
Diane Poremsky [MVP - Outlook]
Outlook Tips: http://www.outlook-tips.net/
Outlook & Exchange Solutions Center: http://www.slipstick.com

Outlook Tips by email:


EMO - a weekly newsletter about Outlook and Exchange:


You can access this newsgroup by visiting
http://www.microsoft.com/office/comm...s/default.mspx or point
your
newsreader to msnews.microsoft.com.


"JD2" wrote in message
...
Dear Outlook Gurus,

One of our staff has reported issues with tracking meeting responses in
Outlook 2003. Whenever she updates an appointment, not all of the
tracking
responses (ie. acceptances) are appearing on the tracking tab - even
though
she has seen them come into her Inbox, and she has definitely opened
the
email responses to ensure they are registering.

Does anyone have any ideas why this might be happening?

Kind regards
JD2