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Outlook 2011 cannot open Shared Outlook2010 calendar Free Busy data

    Question

  • If a user in Outlook 2010 Grants access to another user(using Outlook 2011 Mac) to their calendar's Free Busy data, the Mac user cannot open the calendar.  Outlook 2011 says that you don't have permission to open the calendar, contact user to allow access to calendar. Any suggestions would be greatly appreciated.  We are a mixed environment (Mac & Windows)  and the email is on exchange 2010. 

    NOTE: If two outlook 2010 users want to share free busy data it works fine.

    • Edited by Reganc4 Wednesday, May 02, 2012 6:31 PM
    Wednesday, May 02, 2012 6:31 PM

Answers

  • You got it right, and I do agree: reviewer permissions reveal too much information. Another option would be to have your Mac users use OWA with Safari.

    Outlook 2010 and Outlook Web App (OWA) has the option to share with somebody "Free/Busy time, subject, location" whereas it should be set to  "Reviewer" for somebody using Outlook 2007 or earlier. As far as I have tested, these limitations do also apply to Entourage 2008, iCal and Outlook 2011.

    Where I work, we have a mix of Outlook 2007 and Outlook 2010 clients. Three outside consultants use Macs with Office 2011. (Well, four, I use a Mac as well in addition to Windows 7 and 8 with Outlook 2010.)

    After some discussion, we decided to set reviewer permissions as the default. This is meant as an interim solution until Outlook 2007 is removed.

    We used this excellent script: Set-CalendarPermissions
    http://gallery.technet.microsoft.com/ScriptCenter/19b98a56-42aa-4695-b07c-335d8322b64e/


    MCTS: Messaging | MCSE: S+M


    Thursday, May 03, 2012 10:07 PM

All replies

  • When you create a new mailbox in Exchange 2010, these are the default rights to the calendar.

    [PS] C:\>Get-MailboxFolderPermission -identity 'testuser:\Calendar' | Select User, AccessRights

    User                                                        AccessRights
    ----                                                        ------------
    Default                                                     {AvailabilityOnly}
    Anonymous                                                   {None}

    In order to open the calender from Outlook 2011 you apparently have to grante Reviewer rights. I just tested it on OS X 10.7 Lion.

    Add-MailboxFolderPermission -Identity testuser:\Calendar -User jas -AccessRights Reviewer

    See also:
    Cant open shared folders in Outlook 2011 (EWS)
    http://social.technet.microsoft.com/Forums/lv-LV/exchange2010/thread/ba1ad97b-2be8-45c5-936d-8d716719b95f


    MCTS: Messaging | MCSE: S+M

    Wednesday, May 02, 2012 11:25 PM
  • Setting as Reviewer gives the user more than just Free Busy access correct?  I mean that the user can see meeting details of the shared calendar.  That's my problem:  My users want others to just be able to view time slots when they are busy or available and conceal the meeting info.
    Thursday, May 03, 2012 2:43 PM
  • You got it right, and I do agree: reviewer permissions reveal too much information. Another option would be to have your Mac users use OWA with Safari.

    Outlook 2010 and Outlook Web App (OWA) has the option to share with somebody "Free/Busy time, subject, location" whereas it should be set to  "Reviewer" for somebody using Outlook 2007 or earlier. As far as I have tested, these limitations do also apply to Entourage 2008, iCal and Outlook 2011.

    Where I work, we have a mix of Outlook 2007 and Outlook 2010 clients. Three outside consultants use Macs with Office 2011. (Well, four, I use a Mac as well in addition to Windows 7 and 8 with Outlook 2010.)

    After some discussion, we decided to set reviewer permissions as the default. This is meant as an interim solution until Outlook 2007 is removed.

    We used this excellent script: Set-CalendarPermissions
    http://gallery.technet.microsoft.com/ScriptCenter/19b98a56-42aa-4695-b07c-335d8322b64e/


    MCTS: Messaging | MCSE: S+M


    Thursday, May 03, 2012 10:07 PM