Maximum number of connections per server (HTTP 1.0)
- Policy ID
- IESF_MaxConnectionPer1_0Server
- 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 › Security Features › AJAX
Description
This policy setting allows you to change the default connection limit for HTTP 1.0 from 6 connections per host to a limit of your choice (from 2 through 128).
If you disable or do not configure this policy setting, Internet Explorer will use the default connection limit for HTTP 1.0 (6 connections per host).
In versions of Internet Explorer prior to Internet Explorer 8, the default connection limit for HTTP 1.0 was 4.
Options
Registry
ComputerHKEY_LOCAL_MACHINE
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MAXCONNECTIONSPER1_0SERVER View registry values
- iexplore.exeREG_DWORD
UserHKEY_CURRENT_USER
HKCU\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MAXCONNECTIONSPER1_0SERVER View registry values
- iexplore.exeREG_DWORD