Policy

Install binaries signed by MD2 and MD4 signing technologies

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassUser
CategoryWindows Components > Internet Explorer > Security Features > Binary Behavior Security Restriction
Supported onAt least Internet Explorer 9.0

This policy setting allows you to manage whether Internet Explorer 9 can install ActiveX controls and other binaries signed with MD2 and MD4 signing technologies. Internet Explorer 9 does not support MD2 and MD4 signing technologies by default, because they are not as secure as other technologies. If you enable this policy setting, Internet Explorer 9 installs binaries signed by MD2 and MD4 signing technologies. If you disable or do not configure this policy setting, Internet Explorer 9 does not install binaries signed by MD2 and MD4 signing technologies.

Internal name
IESF_ENABLE_MD2_MD4
Policy ID
ba305642099b
Elements
0

Registry values

How enabled and disabled states update the registry.

Registry locationTypeEnabled valueDisabled value
HKCU\Software\Policies\Microsoft\Internet Explorer\Security\ENABLE_MD2_MD4REG_DWORD
1
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.

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