A.Join the second meeting by using Microsoft Office Live Meeting.
B.Enable the Windows Media Player Network Sharing Service Windows Firewall exception.
C.Click the Leave meeting option in the first meeting， and then join the second meeting. 
D.Open Windows Meeting Space， create a new meeting， and specify a password for others to use when they join the meeting.

A.Sign in to the People Near Me feature.
B.Start the Distributed Transaction Coordinator service.
C.Create a custom Microsoft Windows Firewall exception to allow invitations from Windows Meeting Space.
D.In the Microsoft Windows Mobility Center window， configure the presentation settings.