Prevent certificate error overrides
Supported on: Microsoft Edge on Windows 10, Version 1809 or later
Registry
HKLM
Software\Policies\Microsoft\MicrosoftEdge\Internet Settings HKCU
Software\Policies\Microsoft\MicrosoftEdge\Internet Settings Value name: PreventCertErrorOverrides
Enabled: PreventCertErrorOverrides = 1
Disabled: PreventCertErrorOverrides = 0
Description
Web security certificates are used to ensure a site your users go to is legitimate, and in some circumstances encrypts the data. With this policy, you can specify whether to prevent users from bypassing the security warning to sites that have SSL errors. If enabled, overriding certificate errors are not allowed. If disabled or not configured, overriding certificate errors are allowed.