Certificatenamecheckfailed Jun 2026

A wildcard certificate for *.example.com will secure ://example.com but may not cover the bare root domain example.com or deeper nested subdomains like ://example.com . How to Fix CertificateNameCheckFailed 1. Verify and Update the Certificate Monitor Azure Front Door | Microsoft Learn

Emily quickly contacted the certificate authority (CA) and requested a new certificate with the correct subject name. She also updated the certificate configuration on the server to use the new certificate. certificatenamecheckfailed

Modern browsers and services ignore the "Subject" field and require the requested URL to be explicitly listed in the Subject Alternative Name section of the certificate. A wildcard certificate for *

This story illustrates a common scenario where a Certificate Name Check Failed error occurs due to a mismatch between the certificate's subject name and the requested hostname. It highlights the importance of attention to detail when managing SSL certificates and the need for proactive monitoring to prevent certificate-related issues. She also updated the certificate configuration on the