Slipstick publishes a whole mess of Outlook 07 complaints you might want to look at: http://www.slipstick.com/outlook/ol2007/known_issues.htm

Would the machine in question happen to be a Dell laptop with Direct Media? If so, this might help: http://www.slipstick.com/problems/recurringmeetings.htm

On the server side, you might want to go over this technet article: 'How to Enable the Auto-Processing of Meeting Messages' http://technet.microsoft.com/en-us/library/bb123874(EXCHG.80).aspx

it includes: "automatically updating the time of the meeting on an attendee's calendar after receiving an update from the organizer"

----- Original Message ----- From: "Brett Fernicola" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[email protected]>
Sent: Wednesday, February 06, 2008 8:25 AM
Subject: RE: Outlook 2007 on Exchange 2003 SP2, Calendar Update, Mail Queue Problem.


The one user it keeps happening most to is an Outlook 2007 user from
home via RPC over HTTPS.  However I believe it happened one time to a
local Outlook 2007 user. I did not however see the queue state that
time.  Someone force deleted it from the queue before I got a change to
see it, and told me about it later.

I don't feel the issue is RPC over HTTPS, I feel its outlook 2007.  This
never happens to any Outlook 2003 users. I added in the RPC info just to
fully describe my topology and enabled features on the exchange server.





-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Albert Duro
Sent: Wednesday, February 06, 2008 10:48 AM
To: Exchange Discussions
Subject: Re: Outlook 2007 on Exchange 2003 SP2, Calendar Update, Mail
Queue Problem.

Are you saying this only happens -- and I'll assume you have replicated
it
in different circumstances -- with Outlook 07, or only with RPC>HTTP, or

only with both?

----- Original Message ----- From: "Brett Fernicola" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[email protected]>
Sent: Wednesday, February 06, 2008 6:27 AM
Subject: Outlook 2007 on Exchange 2003 SP2, Calendar Update, Mail Queue
Problem.


I have an odd problem which I believe is being caused by Outlook 2007.

My scenario:

Exchange 2003 Ent SP2 Win2k3 Ent SP2 (Exchange is both Front/Back End,
RPC HTTPS, Active sync, OWA, all in wonder box etc.)

Outlook 2003 & 2007 Clients


A remote user from home connected via RPC over HTTPS with
Outlook 2007 will create a calendar Invite and sent it off to a bunch of
people, some recipients are internal and some are external. That email
will go through fine.  However if that Outlook 2007 user modifies that
Calendar invite by proposing a new location or time etc, and then sends
it off it will get stuck in my Exchange 2003 servers mail queue. This
also sporadic and does not happen every time, at least once or twice a
day though.  Basically the email will sit in queue forever until and NDR
is created 2 days later.  Looking at the queue for the email Exchange
says, "Unable to open message for delivery"
I have not seen this with any Outlook 2003 users.

So far I have found a few articles describing a similar problem but no
clear cut solution.

http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=1649045&SiteID=
17

http://support.microsoft.com/?kbid=938650

http://support.microsoft.com/kb/842851


Today I turned on SMTP Tarpiting, to see if it makes any difference.  I
don't believe this will fix the issue.

I am reluctant to install the hotfix from the article 938650, because
Microsoft doesn't quite explain the problem the same, and they haven't
approved or really tested the hotfix yet.


Thank You,

Brett Fernicola

[EMAIL PROTECTED]


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