IE Setting in group policy --- Disable automatically detect setting in LAN Settings

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http://serverfault.com – have been trying to hunt this down for weeks with no luck. i need a way to disable a setting.. in IE. Tools > Connections > Lan Setting i need to uncheck "automatically detect settings" does anyone know a way i can do this via group policy. all user on IE 9 or IE 10 Thanks (HowTos)