If you run into a generic error message while starting your ASP.NET Core application after publishing to IIS, check out this blog post
How to troubleshoot: “An error occurred while starting the application” in ASP.NET Core on IIS
Tag: iis
A New REST API for managing IIS
Nice. A new REST API for managing your IIS web servers: https://t.co/ODJdh1fiWi
— Scott Hanselman (@shanselman) October 10, 2016