404.2 Error after installing .net 4.0

Posted by Dofs on Stack Overflow See other posts from Stack Overflow or by Dofs
Published on 2010-04-19T06:39:29Z Indexed on 2010/04/19 6:43 UTC
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.net-4.0

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iis

I have a project which I have upgraded to .Net 4.0, but when I try to access it, I retrieve the following error:

HTTP Error 404.2 - Not Found
The page you requested could not be displayed because of the settings for the list of ISAPI and CGI restrictions on web server.
ErrorCode: 0x800704ec
Handler PageHandlerFactory-ISAPI-4.0_32bit

Do I need to do something extra to the IIS or APP pool, when converting an existing site to a .NET 4.0 site?

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