c# - After Upgrade Windows Server 2019, My Website gives ERR_CONNECTION_ERROR

Question

I have upgraded operation system from Windows Server 2012 R2 to Windows Server 2019.

When I requested the website, encountered an error named by ERR_CONNECTION_ERROR.

Why I got an error. I think, SSL certificates affected.
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Website is https://www.sekeryatirim.com.tr/

question from:https://stackoverflow.com/questions/65647086/after-upgrade-windows-server-2019-my-website-gives-err-connection-error

Answer 1

There are many reasons for the error ERR_CONNECTION_ERROR. It may be caused by the server side or the client side. You can try the following methods to solve your problem:

1.Run the Network troubleshooter. Go to Settings > Update & Security > Troubleshoot > Internet Connections.

2.Run the Windows Update troubleshooter. Go to Settings > Update & Security > Troubleshoot > Windows Update.

3.Reset Network. Go to Settings > Network & Internet > Status > Network reset.

If you still can't solve the problem, please post more information about the the error, you can check it in the console(use the f12) or event viewer.