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The messaging interface has returned an unknown error. If the problem persists, restart outlook” in Outlook 2007

Written by Christian on March 2, 2008 – 9:30 pm


outlooklogoIf you work with Outlook 2007 in combination with Exchange, you might get the following error when trying to open a shared calendar:

“The messaging interface has returned an unknown error. If the problem persists, restart outlook”

To open the shared calendar anyway, you have to close and re-open Outlook. It will now work again (for a short while)

Update 06-march-2008: Microsoft have a hotfix available for this problem! It’s not a public hotfix yet, but you can request the hotfix. The hotfix includes a solution for the message you get when you try to open a shared calendar in Outlook 2007: The messaging interface has returned an unknown error. If the problem persists, restart outlook

For more information and to obtain the hotfix, go to
http://support.microsoft.com/default.aspx/kb/941275/en-us


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6 Comments to “The messaging interface has returned an unknown error. If the problem persists, restart outlook” in Outlook 2007”

  1. Simon Says:

    Hello,

    Can you send me the hotfix?

    Grtz,

    Simon

  2. admin Says:

    Dear Simon,

    I can’t send you the hotfix, because I’m not allowed to (as far as I know).
    You can request the hotfix at the Microsoft site. They responded to me within 24 hours with a link to the hotfix

  3. Frank Says:

    I installed office 2007, and I can not see my Inbox e mails… How can I fix this problem?
    Best Regards,

  4. howell.tsang Says:

    After installed the Hotfix, the problem still persist.
    Any solution?

  5. Ettiene Says:

    hi howell.tsang. i seem to have the same problem have you received any details on the issue yet.

  6. TonyM Says:

    I’ve been having this issue on one of my users’ work systems, and the solution was to re-create the .pst in outlook (create new user/PST file, then if it works migrate data from the old PST)

    Hope this helps!

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