http://www.blackberryforums.com.au/f...alf-users.html
This can be done by performing the following steps to set the option to
false:
- Log on to the Microsoft Exchange server and launch the Exchange management shell
- Type get-mailboxcalendarsettings | Set-MailboxCalendarSettings -RemoveForwardedMeetingNotifications $True
Note: This affects the entire organization using Microsoft Exchange.