How to fix error “ANCM In-Process Handler Load Failure”?

Question

I\'m setting up the first site in IIS on Windows Server 2016 Standard. This is a NET Core 2.2 application. I cannot get the site to show.

I am getting th

Answer 1

For me it was because I had ASPNETCORE_ENVIRONMENT environment variable being defined 2 times in my app - one in web.config and another - in applicationhost.config

Answer 2

Delete the 'hosting Model ="in process"' section in web config.

Example:

<aspNetCore processPath="dotnet" arguments=".\WebAPICore.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" />

to

<aspNetCore processPath="dotnet" arguments=".\WebAPICore.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" />

Answer 3

In my case updating .net core sdk works fine.

Answer 4

In my case just adding MVC into Startup.cs Please follow into image. I am trying to add dependency injection then showing this problem. I think it will be helpful. Follow this Image: https://i.stack.imgur.com/ykw8P.png