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Thread: Outlook - Shared Calendar (free/busy error)

  1. #1
    Junior Member
    Join Date
    Jun 2013

    Outlook - Shared Calendar (free/busy error)

    Hello everyone,

    I hope someone can help me on this issue. We have Zarafa 7.0.13-41388 running on Debian.

    With one specific mailbox, we have the problem that we are unable to share the calendar correctly to either an admin or secretary.
    This because of an error "...unable to open free/busy information..." every time we try to view/modify or create an appointment.

    The persmissions are OK, an we have the same error on every Outlook-Client-User who has the correct permissions (even admins). We are able to see all appointments but unable to create/change or even view them.

    I really hope that someone had already that problem and fix'd it.

    Thank you in advance.


  2. #2
    Junior Member m4ilm4n's Avatar
    Join Date
    Jun 2013
    IIRC, free & busy times are shared via the public store - can the user see the public store?

  3. #3
    Junior Member
    Join Date
    Jun 2013
    Yes, all our users can see and have access to the public store.

    We just want grant access to the calender of User "A" to user "B". That works for all users, exept our user "A". If we try to open/edit an entry we got the mentioned error... Even as Admin...

  4. #4
    Junior Member
    Join Date
    Feb 2010
    i have the same problem, server version 7.1.11, client version 7.1.14-52042, calendar of one specific user is read- and writeable trough webaccess, but in outlook 2010, when i try to create an appointment it says "unable to open free/busy information".
    last time i saw this error was 2 years ago...

  5. #5
    Join Date
    Oct 2008
    Hi civit,

    The last time we run into this problem it was solved by running outlook with this commandline:
    outlook.exe /cleanfreebusy

    Zarafa Hosted and standalone versions from 10 to 1000 users

  6. #6
    Junior Member
    Join Date
    Feb 2010

    thank you, that did it!

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