If you enable this policy the start menu search box will not search for communications.If you disable or do not configure this policy the start menu will search for communications unless the user chooses not to in the start menu control panel.
Policy path:
Start Menu and Taskbar
Scope:
User
Supported on:
Windows Server 2008 Windows 7 and Windows Vista
Registry settings:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer!NoSearchCommInStartMenu
Filename:
StartMenu.admx