Microsoft 365 - Apple Mail/Calendar/Contacts/Reminders Known Issues

The issues listed below apply Apple Mail, Calendar, Contacts, or Reminders.

  • You may experience a one to five minute delay in receiving mail using default sync settings

    • This is a known issue between Apple Mail and Microsoft's Exchange protocol.
    • To work around this issue, you can modify the "Check for new messages" setting in the "Preferences" menu from "Automatically" to "Every minute". Note: After you change this setting, your computer will be required to use more memory (RAM) to run Apple Mail. This can lead to performance issues for some computers.
  • You may see a "No access" error when attempting to subscribe to another person's calendar

    • This error can occur regardless of the permissions you have been granted.
    • A support case has been opened with Apple.
  • On OS X Yosemite (10.10.x), you will see an error message when clicking "Replied to" or "Forwarded" arrows in the message list

    • When viewing the message list in the Inbox, clicking on the "Replied to" or "Forwarded" arrows that are located next to the subject of the message will result in an error message
    • The error will read: 'Mail was unable to find your reply to the message "[MESSAGE SUBJECT]". You may have deleted the message.'
    • Apple has acknowledged that this is an issue. More information can be found in this thread.
  • You may receive an error message when attempting to view your own calendar

See Also:

Keywords:microsoft office365 o365 known issues sync settings no access replied to forwarded arrow valid email address yosemite   Doc ID:46893
Owner:Help Desk KB Team .Group:DoIT Help Desk
Created:2015-02-05 17:36 CDTUpdated:2023-02-02 15:25 CDT
Sites:DoIT Help Desk
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