How to solve the HTTP Error 500.19 – Internal Server Error

This article describes why the “HTTP Error 500.19 – Internal Server Error” occures and how to solve it on the Windows Server.


HTTP Error 500.19 – Internal Server Error
The requested page cannot be accessed becasue the related configuration data for the page is invalid.

IIS Detailed Error – 500.19


Some of the IIS features are not installed on the computer.


  • Go to the Server Manager
  • Click on the Server Roles
  • Under the Web Server (IIS) node check the nodes for the Application Development like in the picture:
Add Roles and Features Wizard
  • Scroll down within the Roles and check the Management Service
Select the required Roles
  • Click on the Features
  • Check the same nodes like in the picture below
  • Click on the Next button
Select the required Features
  • Click on the Install
Confirm installation selections
  • Wait to complete the installation
  • Click on the Close button
Installation progress

Finally restart the IIS:

  • Right click on the IIS main node
  • Stop the IIS
Stop the IIS
  • Right click on the IIS main node
  • Start the IIS
Start the IIS

Now the web application should work correctly.

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