Edge certificate error for local server

Question

Getting certificate errors when using a browser to navigate to one of our local server's HTTPS interface:

NET::ERR_CERT_COMMON_NAME_INVALID

Windows, iOS, mobile, all throw the same error.

Everything is on-site hardware, it's all on the same LAN, two different subnets but no fancy routing, tunnels, access lists, nada. Same issue when accessing over VPN as well.

We've tried excluding the server IP from all of Edge's security features. We've tried installing the self-signed certificate from the server in nearly every certificate authority directory.

Caches have been cleared, SSL states cleared, proxy and LAN settings configured for automatically detecting settings. Real time anti-virus and firewall functionality disabled.

Running out of ideas, and the internet hasn't proven particularly helpful. Any suggestions of what to try next to get Edge to trust this particular device?

P.S. Yes, I am aware that we can workaround this by clicking advanced and overriding Edge's advice and clicking the link to continue to the site anyways - but not only is this a hassle and time intensive, but it's teaching users bad security habits and completely defeats the purpose of installing a webpage as an app, because clicking the link to proceed to the site opens the page in a regular web browser.

Answer 1

Good day GodSys! I am glad to be able to provide assistance to you today. I would suggest to post this query to our neighbor forum from the link below. They are more oriented on with regards to this type queries/issues and there will be IT Pros/System Admins/Server Admins/AD Admins who are available that will be able to fulfill your query as we are more of home/personal consumer based forum.

https://docs.microsoft.com/answers/topics/46503...

Regards,

Paul R.