KB - HTTP Error 500.19 this configuration section cannot be used at this path

HTTP Error 500.19 - Internal Server Error

<windowsAuthentication enabled="false" />

98: <authentication> 99: <windowsAuthentication enabled="false" /> 100: </authentication>

Solution: Toggle Windows Authentication to read/write

In feature delegation: change "windows authentication" to read/write

or

1. Open IIS Manager
2. Click the server name in the tree on the left
3. Right hand pane, Management section, double click Configuration Editor
4. At the top, choose the section system.webServer/security/authentication/anonymousAuthentication
5. Right hand pane, click Unlock Section
6. At the top, choose the section system.webServer/security/authentication/windowsAuthentication
7. Right hand pane, click Unlock Section

 <remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />

Config Source:

   83:     </modules>

   84:     <handlers>

   85:       <remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />

 Solution: Enable ASP.NET 4.5