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.
- For general steps to troubleshoot problems in WHMCS, see Start Troubleshooting.
General Issues and Errors
You may encounter the following common issues:
| Error or Issue | Explanation | Next 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 | Your server’s CA bundle files are missing or out of date. | Outdated root CA Bundles |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 |
Certification Error - Invalid or Corrupt Certificate | Your certificate contains invalid content, or the file is corrupt. | Invalid or Corrupt Certificate 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: January 8, 2025