HTTP Error 500.19 when publish .net core project into iis with 0x80070005

I was missing the AspNetCoreModule from IIS->Modules. After I installed that I no longer had the 500.19 error.

To find out more this blog was great: https://weblog.west-wind.com/posts/2016/Jun/06/Publishing-and-Running-ASPNET-Core-Applications-with-IIS

Here is the page from Microsoft to find the download: https://docs.microsoft.com/en-us/aspnet/core/publishing/iis?tabs=aspnetcore2x

You have to install the "Hosting Bundle Installer". Without this, IIS doesn't understand routing and cannot host your application.

Go to microsoft site "https://www.microsoft.com/net/download/dotnet-core/runtime-2.1.0-rc1" and install "Hosting Bundle Installer":

Before installing this you have to install the right version of runtime: https://www.microsoft.com/net/download/dotnet-core/runtime-2.1.0-rc1 Than install the right version of "Hosting Bundle Installer".

"Hosting Bundle Installer" is: .NET Core Windows Server Hosting bundle installs the .NET Core Runtime, .NET Core Library, and the ASP.NET Core Module. The module creates a reverse proxy between IIS and the Kestrel server on Windows platforms.