Troubleshooting SSL

If you encounter errors or issues while working with SSL on your WHMCS installation, see the sections below to start troubleshooting and resolve the issue.

For information about issues with the SSL certificates that you sell through MarketConnect, see Troubleshooting MarketConnect.

General Issues and Errors

You may encounter the following common issues:

Error or IssueExplanationNext Steps
You see SSL-related error messages while attempting to connect to the WHMCS licensing server.Your server’s CA bundle files are missing or out of date.Outdated root CA Bundles
A Certificate Authority verified SSL certificate was not detected on https://www.example.com.An SSL certificate is not configured correctly.Certificate Not Detected Errors
curl: (51) SSL: certificate subject name '*.example.net' does not match target host name 'example.com'This error indicates a cURL connection issue.Certificate Subject Mismatch Errors
You are currently accessing the admin area using an insecure connection.You are using an insecure http connection to access the Admin Area and the WHMCS System URL setting contains the http:// prefix instead of https://.Insecure Connection SSL Errors

Last modified: June 11, 2024