Troubleshooting - 404.3 - Not Found
- If after creating your service, you see this page. The MIME warning is because IIS natively doesn't know what to do with the asmx files that are part of the web server.
- To fix: go to the server manager and Add Roles and Features
- From this list select the ASP.NET 3.5 and ASP.NET 4.5 boxes as well as all of the other dependencies of those installs:
- Once that has completed, make sure you restart the IIS server or reboot the machine before retesting.