Colleagues are getting strange headers, no ability to accept meeting invitations on client, only OWA

Hello everyone,


I am having a very strange problem after migrating a companies Exchange server to Office365 / cloud based Exchange.

When sending out invitations for meetings, everyone is able to receive and view the message properly.  One of my colleagues, using Outlook 2010 with email setup as a POP account (It is an exchange account, but there another exchange account on the PC as well) is having trouble viewing and accepting meeting invitations.   However in OWA, the invitations are being added and listed in the calendar, but not syncing to Outlook (I assume this is because it is setup as POP.

When I send him an email with a meeting invitation, this is what he sees;

Microsoft Outlook Web Access: <Link Removed>

To receive meeting invitations as .iCalendar attachments instead of Outlook Web App links, go to <Link Removed>  and select Send meeting invitations in iCalendar format.

I removed the links myself for a couple of reasons.

The problem is only present on his setup (afaik) and is persistent with every meeting invite.  The header itself is not the problem, the true problem is that he cannot accept the invitation or see notifications of the invitation via Outlook calendar.

I am thinking it may be because he is setup as a POP account.  However this just happened after switching to Office365 based Exchange.  Previously it worked fine (his account was setup as POP previously afaik)

Please let me know if you have any suggestions.

Thanks,

LDV

April 9th, 2015 4:47pm

Hi,

Also, as mentioned in this article below, if youre using Office 365 for business or other Microsoft Exchange-based email, you cant access your contacts, tasks, or calendar when you connect to your account using POP3 or IMAP4:

Settings for POP and IMAP access for Office 365 for business or Microsoft Exchange accounts

May I know why this user chooses POP3 instead of Exchange? To get the best user experience of Calendar, I recommend the user to setup the account type as Exchange instead of POP3. One purpose I can think of is that this user may need to store emails in a local .pst? In Outlook 2010, we can easily configure this for Exchange Accounts:

Click File -> Account Settings -> Account Settings -> Select the Exchange Account -> Click on "Change Folder" button -> Click "Yes" -> Create a New Outlook Data File -> OK.

Regards,

Melon Chen
TechNet Community Su

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April 10th, 2015 2:59am

Hi,

As mentioned in this article below, if youre using Office 365 for business or other Microsoft Exchange-based email, you cant access your contacts, tasks, or calendar when you connect to your account using POP3 or IMAP4:

Settings for POP and IMAP access for Office 365 for business or Microsoft Exchange accounts

May I know why this user chooses POP3 instead of Exchange? To get the best user experience of Calendar, I recommend the user to setup the account type as Exchange instead of POP3. One purpose I can think of is that this user may need to store emails in a local .pst? In Outlook 2010, we can easily configure this for Exchange Accounts:

Click File -> Account Settings -> Account Settings -> Select the Exchange Account -> Click on "Change Folder" button -> Click "Yes" -> Create a New Outlook Data File -> OK.

Regards,

Melon Chen
TechNet Community Su

April 10th, 2015 6:58am

From what he has explained to me;

He gets duplicate emails and more conflicts when he has the account setup as exchange.  I will suggest re-configuring the account as exchange to see if that makes a difference.

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April 10th, 2015 9:42am

Would changing to an IMAP account fix the header issue?

I was able to use my calendar fine as an IMAP account on our old exchange server

April 10th, 2015 2:50pm

I was able to use my calendar fine as an IMAP account on our old exchange server

Hi,

In this scenario, the IMAP data file might have not been configured as the default data file, and the calendar might be stored in the default data file.

Try to setup a Profile with a separate data file(.pst) as default, and then create the IMAP/POP account which uses another data file, check this can work.

Regards,

Melon Chen
TechNet Community Su

Free Windows Admin Tool Kit Click here and download it now
April 12th, 2015 9:16am

To clarify further, the events are going into OWA and being marked as tentative, but they are not showing up on the outlook client calendar.  This was never a problem on our old server. 

How can we get an account that uses Office365 to interact properly with Office2010 setup as a POP account??

April 15th, 2015 3:18pm

How can we get an account that uses Office365 to interact properly with Office2010 setup as a POP account??

I never know this can be done, especially you need the support of calendar.
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May 7th, 2015 11:22pm

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