title: HTTP Error 500.19 in IIS on run ASP .NET Core application
body: <p>I'm trying to run an application (which used to work on another iis)</p>
  
  <p>1) All permissions for writing / reading I gave to all users</p>
  
  <p>2) All services from the section "Application Development Features" I installed</p>
  
  <p>3) When I start the application: > dotnet AppName.dll , It launches and works
  <a href="https://i.stack.imgur.com/8Oa8L.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/8Oa8L.png" alt="enter image description here"></a></p>
  
  <p>But through the server IIS it does not start.
  This is what the IIS says:
  HTTP 500.19 — Internal Server Error</p>
  
  <p><strong>Module</strong>      nbsp;  IIS Web Core</p>
  
  <p><strong>Notification</strong>       Unknown</p>
  
  <p><strong>Handler</strong>        Not yet determined</p>
  
  <p><strong>Error Code</strong>     0x8007000d</p>
  
  <p><strong>Config Error</strong>    </p>
  
  <p><strong>Config File</strong>        \?\C:\inetpub\MyServices\ContractNET\web.config</p>
  
  <p>Setting the source:</p>
  
  <pre><code>   -1: 
      0: 
  </code></pre>