Prevent ignoring certificate errors
Supported on: At least Internet Explorer 7.0
Registry
HKLM
Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings HKCU
Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings Value name: PreventIgnoreCertErrors
Enabled: PreventIgnoreCertErrors = 1
Disabled: PreventIgnoreCertErrors = 0
Description
This policy setting prevents the user from ignoring Secure Sockets Layer/Transport Layer Security (SSL/TLS) certificate errors that interrupt browsing (such as "expired", "revoked", or "name mismatch" errors) in Internet Explorer. If you enable this policy setting, the user cannot continue browsing. If you disable or do not configure this policy setting, the user can choose to ignore certificate errors and continue browsing.