I recently applied Exchange 2010 SP3 and then rollup 15 to my on premise exchange server.
Everything seemed to go well until users started complaining that they could not view shared calendars default setting (Free/busy) from the outlook clients, instead they are getting a no connection indication on the calendar tab. the OWA works fine.
It appears that the "Default User" permissions are not taking effect.
I have tried setting the permissions in powershell using this command: Set-MailboxFolderPermission -User "Default" -AccessRights LimitedDetails -Identity $calendar
The following command: Get-MailboxFolderPermission -User "Default" -Identity $calendar indicates that the required permissions are in effect. However when attempting to access the calendar I receive a "Insufficient permissions" error
Can anyone provide a solution for me?
Note: I do have a sharing policy that is enabled to allow all users default Free/busy permissions
Not 2: I can provide any other permission to default user such as "reviewer" and that works. It is the "LimitedDetails" permission that does not work.
