KB173215444: WebCenter - Security warnings "The connection to this website is untrusted" "certificate is not valid" appear

Summary

A security warning pops up when trying to access WebCenter, stating that the certificate is not valid.

Symptoms

When trying to access the WebCenter site the following errors pop up:

• "Do you want to Continue? The connection to this website is untrusted."
• "The certificate is not valid and cannot be used to verify the identity of this website."

Solution

This error typically indicates that the SSL certificate has expired or intermediate certificates are missing. Esko cannot order or transfer security certificates for customers, therefore this issue must be handled by the customer's IT department, unless the site is hosted by Esko.