Unable to Share Calender


  • Hello Team,

    I saw a weired issue yestarday and I have check all could to no avail. All the users with outlook client 2010 could not share caleder and the error is "Error while preparing to send sharing message''.......kindly assist as I have check all possible cause with not is a fresh installation not migration and the client trying to share the calender are exchange account (not IMAP,POP3 or third party)

    "The expert in anything was once a beginner"

    Friday, May 18, 2018 8:21 AM

All replies


    Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
    Celebrating 20 years of providing Exchange peer support!

    Friday, May 18, 2018 7:04 PM
  • Hi Akeem Jagunna,

    Try assign calendar's permission to other users:

    Then use other mailbox to open this user's calendar:


    Kyle Xu

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    Monday, May 21, 2018 11:13 AM