Thursday, January 20, 2011

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

While i was hosting ASP.NET website in iis7 i got the following error message. I am just sharing the steps i followed to solve the error



HTTP Error 404.3 - Not FoundThe 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.



You just open control panel as shown below



In the control panel you open windows features section as below



Just refresh the page after finishing following step

155 comments:

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    1. Great about windows, you have guide us about latest windows, your blogs is very informative for us.
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  3. Thanks a lot, may Allah bless you...

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  4. saved my ass and a lot of time. Thank you

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  5. thanks for the tip. the bad thing is that why would they set the box for asp / asp.net unchecked when you install IIS??!! it's so stupid to have those unchecked. Most of the time when you install IIS is because you want to host an asp.net app!

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  6. Mine is already checked so that is not my problem. It seems as though the aspx pages work but when I redirect to an asp page it gives the same message above.

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  7. Thank yo very much! :)

    It helped alot ..even microsoft website was unable to show that!

    Take care ..God Bless!

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  8. Its NOT Working =/ Can you please help me ? It Still gives me this error, I've done the step you've said.

    Error Summary
    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.

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  9. C:\Windows\Microsoft.NET\Framework\v4.0.30319>aspnet_regiis.exe -i

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  10. This happens when you install IIS after installing framework or VS , please re install the respective framework as mentioned above

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  11. Im in windows server 2008 how to fix it

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  12. Thank Man, you solving my issue for (asp) site, just check ASP checkbox

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  13. Great Post Dear....

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  14. Someday I will buy you a drink. Thanks!

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  15. It worked! Thanks a ton man!

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  16. Thank you every much ...

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  17. thanx a miliiol u saved me a lot of time

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  18. Ultimate solution for the exception ... thanks !

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  19. Works great on win7.
    Thx a lot !

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  20. you are really good , its work
    more thanks for you

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  21. Lovely. Simple and it Works...

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  22. Thanks a lot.It worked for me.

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  23. Thanks for that.....It actually worked.....saved me some time.

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  24. thanks a lot.It worked for me

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  25. I am on Windows Server 2012, C:\Windows\Microsoft.NET\Framework\v4.0.30319>aspnet_regiis.exe -i does not work work me. Please help!

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  26. Thanks a lot....it works perfectly..

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  114. This error, "HTTP Error 404.3 - Not Found," indicates that the requested page cannot be served due to extension configuration issues. To resolve this, check the server's configuration and ensure that the appropriate handler mappings are in place for the script or extension you are trying to execute. Adding the correct handler mappings in the server configuration should address this issue. For More Information.

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  115. The "HTTP Error 404.3 - Not Found" suggests a problem with the server's extension configuration. To rectify this, review the server settings and confirm that the required script or extension has the proper handler mapping. Including the correct handler mapping in the server's configuration should enable the page to be served without encountering this error. For More Information.

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  116. When facing the "HTTP Error 404.3 - Not Found," it indicates a challenge with the extension configuration on the server. To resolve this issue, ensure that the server is set up with the appropriate handler mappings for the specific script or extension you are trying to access. Adding the necessary handler mappings in the server configuration should eliminate this error. For More Information
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