[ASP. NET core] The requested page cannot be accessed because the related configuration data for the page is invalid.

Bug

HTTP Error 500.19-internal Server error

The requested page cannot be accessed because the related configuration data for the page is invalid.

Solutions

This is an error that occurs with the deployment of the ASP. NET Core station on IIS, which is started by dotnet Xxx.dll, can be seen kestrel, can be accessed normally, and the request information can be heard, but the above error occurs through the IIS proxy.

The final discovery is because there is no installation

Dotnetcore.2.0.5-windowshosting.exe

[ASP. NET core] The requested page cannot be accessed because the related configuration data for the page is invalid.