The hostname in the website’s security certificate differs from the website you are trying to visit.

In this post, I describe how to fix the error

The hostname in the website’s security certificate differs from the website you are trying to visit.
Error Code: DLG_FLAGS_SEC_CERT_CN_INVALID

This error can occur when you browse to an HTTPS address:Screenshot showing the error the hostname in the website’s security certificate differs from the website you are trying to visit.


Cause

This can occur when you have configured an IIS Site Binding to use HTTPS but there is a problem with the certificate you have selected.


Resolution

To resolve the issue, follow the steps in my other post Mismatched Address certificate error - HTTPS localhost IIS


Related Posts

- Mismatched Address certificate error - HTTPS localhost IIS

- How to create a self-signed public certificate - Powershell

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