Use HTTP 1.1

This policy setting allows you to manage whether Internet Explorer will use Hypertext Transfer Protocol (HTTP) 1.1.

If you enable this policy setting, Internet Explorer will use HTTP 1.1.

If you disable this policy setting, Internet Explorer will not use HTTP 1.1.

If you do not configure this policy setting, users will be able to configure Internet Explorer to use or not use HTTP 1.1.

Supported on: At least Internet Explorer 8.0

Registry HiveHKEY_LOCAL_MACHINE
Registry PathSOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
Value NameEnableHttp1_1
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

inetres.admx

Administrative Templates (Computers)

Administrative Templates (Users)