Specifies whether Automatic Updates will deliver both important as well as recommended updates from the Windows Update update service.When this policy is enabled Automatic Updates will install recommended updates as well as important updates from Windows Update update service.When disabled or not configured Automatic Updates will continue to deliver important updates if it is already configured to do so.
Policy path:
Windows Components\Windows Update 
Scope:
Machine 
Supported on:
At least Windows Vista 
Registry settings:
HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU!IncludeRecommendedUpdates 
Filename:
WindowsUpdate.admx 
