Unable to open Outlook Calendar item

Posted on 2011-10-06
Last Modified: 2013-11-05
I have an assistant that has full access permissions to the CEO’s account. 2 times now a calendar item on the CEO’s calendar does not appear in his calendar on her Outlook. She can search for the calendar item and find it, open it and edit it. The calendar item is not a meeting invite, recurring meeting, an updated meeting, but a stand-alone calendar appointment. The calendar item does appear in his Outlook and OWA.

Through OAW, I opened the calendar item and saved it. Once this was done, the calendar item appeared on his calendar in her Outlook. But she is not able to open it. She receives the following error when she tries to open the calendar item on his calendar from her Outlook “The operation is not supported until the entire message is downloaded. Download message and try again.”

I am able to open the calendar item via his Outlook and OWA but not her Outlook where she manages his calendar.

I have removed and readded his account. I have deleted and created new Outlook profile including new OST. I have removed and readded assistants permissions to CEOs account. So far the only thing that works is either putting the entire profile in online mode (non cached mode) or leaving the main account in cached mode and turning of download shared folder (effectily putting the shared folders in to online mode.)

Windows XP sp3
Outlook 2007, SP2 (cached mode)
Exchange 2007 (8.2 Build 176.2)

Any help much appreciated.

Question by:temcdonough
    LVL 47

    Expert Comment

    This is a common issue with Cached Exchange mode?

    Any reason for using it?

    Do both of these Users Use laptops?

    Or do both of these Users have Desktops?


    Author Comment

    User has desktop but travels with Blackberry and iPad. The assistant manages the calendar from her desktop and has access to his calendar via her iPad and iPhone.

    Bit of a nightmare on how many devices have access to this one single account.
    LVL 47

    Accepted Solution

    Unless they have a really undependable network at the office

    With these user details and in this particular situation
    Cached Exchange mode Should not be used.

    There is no bennefit from it, for eigther user.

    Simply turn it off, both machines.

    Assuming that the Blackberry and Ipad are using OWA
    Should be no issues there

    If you think there might be, you could clear all Downloaded exchange data from the mobile devices
    and resync

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