Use HTTP 1.1 through proxy connections
- Policy ID
- Advanced_ProxyHttp1_1
- Scope
- Computer Configuration, User Configuration
- Supported on
- At least Internet Explorer 8.0
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Internet Explorer › Internet Control Panel › Advanced Page
Description
This policy setting allows you to manage whether Internet Explorer uses HTTP 1.1 through proxy connections.
If you enable this policy setting, Internet Explorer uses HTTP 1.1 through proxy connections.
If you disable this policy setting, Internet Explorer does not use HTTP 1.1 through proxy connections.
If you do not configure this policy setting, users can configure Internet Explorer to use or not use HTTP 1.1 through proxy connections.
Registry
ComputerHKEY_LOCAL_MACHINE
- ProxyHttp1.1REG_DWORD
UserHKEY_CURRENT_USER
- ProxyHttp1.1REG_DWORD