Unable to make entries to shared calendar

This fix is for issue with an end user not being able to make an entry to a shared calendar despite having the permissions to do so via the calendar permission settings in Outlook.

Please note, you will need to restart Outlook on the end user machine after running the below commands.

1. Connect-ExchangeOnline

2. Get-MailboxFolderPermission -Identity HolidayCalendar@Empiric.co.uk:\Calendar

3. Remove-MailboxFolderPermission -Identity HolidayCalendar@Empiric.co.uk:\Calendar -User Frances.abbott@empiric.co.uk

4. Add-MailboxFolderPermission -Identity HolidayCalendar@Empiric.co.uk:\Calendar -User Frances.abbott@empiric.co.uk -AccessRights NonEditingAuthor

5. Get-CalendarProcessing HolidayCalendar@Empiric.co.uk | FL

6. Set-CalendarProcessing HolidayCalendar@Empiric.co.uk -BookInPolicy $null