Troubleshooting
Finding certificate chain problems
Separate the certificates a server sends from the trust decisions a client makes, then locate missing intermediates or trust-store issues.
TROUBLESHOOTING
Certificate Troubleshooting
Start with the symptom. Understand what the result tells you before changing the configuration.
Choose a useful next step
Start with the symptom. Understand what the result tells you before changing the configuration.
Troubleshooting
Diagnosing a certificate hostname mismatch
Compare the requested hostname with the certificate's SAN coverage, then trace DNS, virtual hosting and CDN configuration.
Troubleshooting
Troubleshooting an expired website certificate
Find the certificate visitors are seeing, separate failed renewal from failed deployment, and verify the repaired endpoint.
Keep the context in view
Every guide has a specific scope. Read the prerequisites, confirm which system you control and follow the primary documentation for your own environment.