Policy

Turn on certificate address mismatch warning

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > Internet Explorer > Internet Control Panel > Security Page
Supported onAt least Internet Explorer 8.0

This policy setting allows you to turn on the certificate address mismatch security warning. When this policy setting is turned on, the user is warned when visiting Secure HTTP (HTTPS) websites that present certificates issued for a different website address. This warning helps prevent spoofing attacks. If you enable this policy setting, the certificate address mismatch warning always appears. If you disable or do not configure this policy setting, the user can choose whether the certificate address mismatch warning appears (by using the Advanced page in the Internet Control panel).

Internal name
IZ_PolicyWarnCertMismatch
Policy ID
737bd2bf33c1
Elements
0

Registry values

How enabled and disabled states update the registry.

Registry locationTypeEnabled valueDisabled value
HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\WarnOnBadCertRecvingREG_DWORD
1
0

Policy elements

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This policy has no additional user input fields.

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