Problems when sending sharing invitations

Hi Guys,

we are experiencing problems in the company when users send calendar sharing invitations.

For example, Bob sends to Laura ( or to any user ) a calendar sharing invitation but what Laura receives in her outlook is the following:

Bob Toor (Bob@mydomain.com) has invited you to view his or her Microsoft Exchange Calendar. For instructions on how to view shared folders on Exchange, see the following article:

http://go.microsoft.com/fwlink/?LinkId=57561

*~*~*~*~*~*~*~*~*~*

Then Laura clicks in the link and she gets very confused so she rings the IT department and here i am posting this question because i have spent hours over the internet researching and still cant find a solution.

All the users in the company are experiencing this problem. We have an exchange 2010 SP2 and users got outlook 2010.

Any ideas ?
R2_D2Asked:
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Simon Butler (Sembee)Connect With a Mentor ConsultantCommented:
What they are seeing is the part of the message that Outlook should hide. When you share a calendar, a single message is generated, if it goes outside the Exchange org they see one message, internally they see something else. You are seeing the external message.

The crucial part is that there is an XML file in the error file - that means the message is being damaged and Outlook is treating the XML as an attachment, rather than as part of the message and therefore seeing the wrong part.

Primary cause of that is AV software scanning something it shouldn't be.

Simon.
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Simon Butler (Sembee)ConsultantCommented:
What is your question? It isn't clear.

Simon.
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R2_D2Author Commented:
What users should get in a healthy sharing invitation is something like its show on Picture 1 ( see attached ) but instead they get the error i mentioned before ( see picture 2 ) and when they click on the link included on the bad invitation it goes to a Microsoft website that says " You cannot open a shared Outlook folder from a sharing invitation that you receive from another Outlook user "

Any ideas ?
Picture-1.JPG
Picture-2.JPG
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R2_D2Author Commented:
we disabled the antivirus in the exchange and the computers and sent the sharing invitation but didn't work.

we noticed that it works when the invitation is sent from an outlook 2007, even if the AV is active.
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R2_D2Author Commented:
Any ideas anyone ?
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Simon Butler (Sembee)ConsultantCommented:
Disabling it isn't enough. That effectively just puts a blindfold over the product, it is still there scanning everything. To rule out the AV you have to remove it and reboot the server.

You cannot "bump" on this site, so the only people who would see your "Any ideas anyone ? " post are those who have already posted, and that would be just me. I have clients to see, so only post when I have time.

Simon.
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R2_D2Author Commented:
Ok, will give it a shot this weekend and let you know outcome.

Regards

Arturo
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R2_D2Author Commented:
Hi There,

It turned out that problem was the GFI Spam filter.

Thanks for you help.

R2
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