HTTP Error 404.3 - Not Found The page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handler. If the file should be downloaded, add a MIME map.

Introduction: In this post I am going to explain how we can solve the “HTTP Error 404.3 - Not Found The page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handler. If the file should be downloaded, add a MIME map.” error when we run the website on IIS.

Description:
In the last article I have explained How to integrate Captcha in asp.net, How to create Contact Us page in Asp.net, How to use SiteMapPath Navigation Control in Asp.net, Encrypt and Decrypt Query String in asp.net, Create multiple Language website in Asp.net and HTTP Error 500.21 - Internal Server Error Handler.

To solve this error follow the below given steps:

11.      Open control panel and click on programs and features.

22.      Click on “turn windows features on or off “option.

33.      Pop up window will be open and look for IIS (internet information services).

44.     Expand the IIS.

55.      After that expand the World Wide Web services.

66.      Expand the Application development Features and select the check boxes as shown attached snapshot:

77.      Click the ok button. It would take some time.

This solutions work for me to solve this  problem.

Now run the website and check the result.

Is it helpful?

If yes post your comment to admire my work. You can like me on Facebook, Google+, Linkedin and Twitter via hit on Follow us Button and also can get update follow by Email.