If You Cannot See Availability When Scheduling: 
 When you use the Scheduling Assistant to help you schedule attendees for a meeting, you can only see the availability information of someone who has a mailbox in LSUMail. 
 Therefore, if you invite someone using another provider's mailbox (such as a Gmail address), you will not be able to tell if the person is available at the time of...
                           
                           
                               Article Id:
                                16030