Hi @Jim Ryan ,
When you isntall IIS, you don't need to create any test site. IIS has a default website after installing.
You can enter http://localhost
or http://localhost:80
in browser to test it on server itself. If you see a page like this:
That means IIS has installed successfully and can host website.
Then you can enter http://server IP
or http://server IP:80
on other machine to test connection. If you still get 404 error, please show the error page. Try to use Ping command in cmd to test data exchange with server.
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Best regards,
Bruce Zhang