Enabling this policy removes the option of searching the Web from Windows Desktop Search.When this policy is disabled or not configured the Web option is available and users can search the Web via their default browser search engine.
Policy path:
Windows Components\Search
Scope:
Machine
Supported on:
Microsoft Windows XP or Windows Server 2003 with Windows Search version 3.01 or later
Registry settings:
HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Search!DisableWebSearch
Filename:
Search.admx