I have compared it to other users whose shared calendars are fine. I have checked the number of items and calendar folder size in Exchange Console (Get-MailboxFolderStatistics) and it looks OK. Permission are OK for the users and there are no attachments so I am not sure what these errors mean? You don't have appropriate permission to perform this operation.' 'Cannot save this exception to a recurring appointment, meeting, or event.
Try putting the file in a shared location and sending a link The file you're attaching is bigger than the server allows. This could be temporary, but if you see it again you might want to restart Outlook. ' Sorry, we’re having trouble opening this item. Sometime (not every time - fairly rarely actually) some errors appear: Running Office 365 Business (local install) and Exchange 2013. All other users shared calendars I have tested seem fine and behave as normal. It only happens for this particular user and it seems anyone who opens this shared calendar has the problem. When opening their shared calendar and trying to change/edit appointments Outlook is very slow to respond and will regularly crash or hang. We have an issue that seems to be related to a single users calendar.
