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Outlook Lost Appointments: Appointments sent to someone, the person accepted the appointment, but now the appointment isn't in their calendar anymore

    Question

  • Hello,

    We have received the below report from one of our users:

    Outlook Lost Appointments: Appointments sent to someone, the person accepted the appointment, but now the appointment isn't in their calendar anymore

    Our Exchange environment is based on Exchange 2013 ( CU11) , we've recently migrated from Exchange 2010.  All internal client user Outlook 2013 Client. 

    Issue has been raised by a PA who jointly manages a Manager Email account.  The two PA's have delegate access to the managers account granted by the Manager's Outlook client. Both PA's have full mailbox access to the Manager mailbox.  PA's and Manager all have iPhone and iPads which they use to manage their mailbox accounts using the default iOS mail clients (version 10.2) .

    I have researched this issue online and I am following advice in the below article.  http://www.networkworld.com/article/2226464/microsoft-subnet/microsoft-exchange-calendaring-problems---a-current-perspective--mar-2014-.htm

    Does anyone have any further advice on how to resolve this issue.  As you can understand the user's confidence in Outlook / Exchange to accurately record and manage calendar appointments has been effected by this issue.

    Thanks in advance,  Joe

    Tuesday, February 28, 2017 4:25 PM

Answers

  • You do have perfect ingredients to mess up calendar meetings-Multiple delegates & multiple Active Sync devices.. :). The best place to start is with the Calendar diagnostic logging in Exchange 2013.

    https://technet.microsoft.com/en-us/library/dd638102(v=exchg.150).aspx



    Regards,

    Fazal


    Tuesday, February 28, 2017 8:07 PM

All replies

  • You do have perfect ingredients to mess up calendar meetings-Multiple delegates & multiple Active Sync devices.. :). The best place to start is with the Calendar diagnostic logging in Exchange 2013.

    https://technet.microsoft.com/en-us/library/dd638102(v=exchg.150).aspx



    Regards,

    Fazal


    Tuesday, February 28, 2017 8:07 PM
  • thanks for your input Fazal and appologies for the delay in providing an update

    I believe in this case the issue was caused by corrupt user's profile.

    Further investigation showed that only 1 user experienced the issue.  When her Windows Outlook client was recreated the problems was resolved.

    thanks again, regards, Joe

    Monday, March 20, 2017 2:55 PM
  • Hi Rob,

    Glad you solved the issue and thanks for your solution sharing, it would help other community members as well.

    Best Regards,


    Niko Cheng
    TechNet Community Support


    Please remember to mark the replies as answers.
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    Tuesday, March 21, 2017 2:48 AM
    Moderator