Allow Internet Explorer to use the SPDY/3 network protocol
- Policy ID
- Advanced_EnableSPDY3_0
- Scope
- Computer Configuration, User Configuration
- Supported on
- Only Internet Explorer 11.0 on Windows 8.1
- 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 determines whether Internet Explorer uses the SPDY/3 network protocol. SPDY/3 works with HTTP requests to optimize the latency of network requests through compression, multiplexing and prioritization.
If you enable this policy setting, Internet Explorer uses the SPDY/3 network protocol.
If you disable this policy setting, Internet Explorer won't use the SPDY/3 network protocol.
If you don't configure this policy setting, users can turn this behavior on or off, using Internet Explorer Advanced Internet Options settings. The default is on.
Registry
ComputerHKEY_LOCAL_MACHINE
- EnableSPDY3_0REG_DWORD
UserHKEY_CURRENT_USER
- EnableSPDY3_0REG_DWORD