If you enable this policy the start menu search box will not search for internet history or favorites.If you disable or do not configure this policy the start menu will search for for internet history or favorites 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 and Windows Vista 
Registry settings:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer!NoSearchInternetInStartMenu 
Filename:
StartMenu.admx 
