Policy

Change the maximum number of connections per host (HTTP 1.1)

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > Internet Explorer > Security Features > AJAX
Supported onAt least Internet Explorer 8.0

This policy setting allows you to change the default connection limit for HTTP 1.1 from 6 connections per host to a limit of your choice (from 2 through 128). If you enable this policy setting, Internet Explorer uses the connection limit of your choice for HTTP 1.1. If you disable or do not configure this policy setting, Internet Explorer uses the default connection limit for HTTP 1.1 (6 connections per host). In versions of Internet Explorer before Internet Explorer 8, the default connection limit for HTTP 1.1 was 2.

Internal name
IESF_MaxConnectionPerServer
Policy ID
644e75c23ac6
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ElementTypeRegistry mappingConstraints & behavior
Maximum number of connections:
ID IESF_MaxConnections
decimal
HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MAXCONNECTIONSPERSERVER\iexplore.exe
Type REG_DWORD
Range: 2 to 128

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