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i am using Visual studio web developer 4.0, in which i doing a web application. And i hosted my website in my local IIS. My problem is while i am opening the website from visual studio some alter message is coming like
 
ASP.NET 4.0 has not been registered on the webserver. You need to manually configure your web server for asp.net 4.0 in order for your site to run correctly...
 
An then when i am trying to debugg website bellow error i am getting
 
Unable to start debugging on the server. Could not start asp.net debugging. More information my available by starting the project without debugging.
 
Then i browsed my startup page without debugging then the error in browser is
 
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.
 
i tried many things like registering asp.net with aspnet_regiis -1, and searched a lot bt not working. and i m using windows 8.
 
Pls help.
Posted 23-Feb-13 16:33pm
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Solution 1

If you want to debug then make sure your web.config file contain the value like

 
Please check your application pool and under which framework it is running. If .NET framework v2.0 found you changed it .NET framework v4.0.
 
If problem not solved then one suggestion, you can repair your .NET framework v 4.0 then iis register with aspnet_regiis command.
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Solution 2

Hello Friend.
 
Go to IIS and check Web Service Extensions
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