HTTP Error 500.30 - ASP.NET Core app Failed to Start

Following the upgrade process, when trying to open the Devolutions Server web page, the browser display the following error.

KB8109.png

Solution

The startupTimeLimit parameter of the ASPNet Core must be increased to complete the data migration in the database.

  1. Open IIS Manager
  2. Expand the nodes and select the Devolutions Server web application.
  3. Open the Configuration manager
    KB8110.png
  4. Select the aspNetCore item under system.webServer
    KB8111.png
  5. Increase the startupTimeLimit parameter. By default this value is set to 120 seconds.
    KB8112.png