The Connection Has Been Terminated Because An Unexpected Server Authentication Certificate Was Received From The Remote Computer

Question

I use internal certificates instead of self-signed certificates for remote desktops，

then Remote Desktop Error ：The Connection Has Been Terminated Because An Unexpected Server Authentication Certificate Was Received From The Remote Computer

Computers in the domain have normal access，External computers don't work.。

I try to Changing the DNS of an external computer to a domain controller，Certificate template settings to unpublish CRLs，Still no results.

What should I do to enable remote desktop access from an external computer?

It is normal when using self-signed certificates，So I think there's an error in the certificate settings。

Here's the part where I changed the template：