Layton ServiceDesk - Errors - HTTP Error 404 - File or Directory Not Found

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HTTP Error 404

As of version, ASP.NET 4 is required. If not installed or configured, the 404 error can be displayed when attempting to launch the application.


  1. Install Microsoft .NET Framework 4.5.
  2. Launch Internet Information Services (IIS) Manager.
  3. In the Connections pane on the left-hand side, click the server name.
  4. In the Actions pane on the right-hand side, click Change .NET Framework Version.
  5. Change the .NET Framework Version to v4.0.30319 and click the OK button.

    Lsd 6702 net4 config 02.png

  6. In the center panel, double-click ISAPI and CGI Restrictions.
  7. There are two items with the description ASP.NET v4.0.30319. Right-click each and select Allow.

    Lsd 6702 net4 config 01.png

  8. Expand the server in the Connections pane.
  9. In the Application Pools pane, click LaytonServiceDeskAppPool.
  10. In the Actions pane on the right, click Basic Settings....
  11. Ensure that .NET Framework version is set to .NET CLR Version v4.0.30319.
  12. Ensure that Managed pipeline mode is set to Classic.

    Lsd iis app pool basic stgs v4.png

  13. Click the OK button and close Internet Information Services (IIS) Manager.
  14. Follow the steps in this Microsoft article.
  15. Configure IIS 6 Management Compatibility.

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