DCs prefer strong mappings but allow weak mappings. Log warnings (Events 39, 40) are generated. Full Enforcement
If certificates used for VPN, Wi-Fi, or smart card login are not updated to include the SID extension, users will experience logon failures. Monitoring and Troubleshooting strongcertificatebindingenforcement location
Indicates a certificate is not strongly mapped, but it was allowed because StrongCertificateBindingEnforcement was set to 1. DCs prefer strong mappings but allow weak mappings
: Windows updates began automatically moving domain controllers to Full Enforcement mode . strongcertificatebindingenforcement location
I can help identify which systems are at risk and how to fix them.
Check for the DWORD value named StrongCertificateBindingEnforcement .