How to Resolve A Certificate Authority Verified SSL Certificate Was Not Detected on example.com

Symptom

You may see the following error message:

Website SSL

A Certificate Authority verified SSL certificate was not detected on
https://www.example.com. This will prevent some features, such as 
OpenID Connect, from functioning. This may also affect your ability 
to receive PCI or other accreditation.
Click to copy

Cause

This error message indicates that a SSL certificate is not configured correctly.

Solution

Install the intermediate CA at the same time as the SSL certificate.

Intermediary certificates enhance the security of SSL certificates. When installing a  certificate, it is essential to install the Intermediate CA at the same time. This ensures that the SSL certificate is fully trusted and prevents SSL errors from appearing when users visit the website.

You can download RapidSSL and Wildcard certificate intermediate certificate authorities here.

https://knowledge.digicert.com/generalinformation/INFO1548.html