Prevents users from sharing command prompts. This prevents users from inadvertently sharing out applications, since command prompts can be used to launch other applications. Fix: (1) GPO: User Configuration\Administrative Templates\Windows Components\NetMeeting\Application Sharing!Prevent Sharing Command Prompts (2) REG: HKEY_CURRENT_USER\Software\Policies\Microsoft\Conferencing!NoSharingDosWindows