I get the a Unrecognized attribute 'targetFramework' error when I browse to my asp.net 3.5 application that has been built to target any cpu (32 or 64 bit). It is configure to use an app pool with .net 2.0 and enabled 32 bit applications is set to true. It is using IIS 7.

I have done a find in the web.config for target framework attribue and it does not exists. Does anyone know how to resolve this issue?

Can anyone help me out to resolve the problem or point me in the right direction. I have done mu

Server Error in '/IRD' Application.

Configuration Error

             Description:An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.            
Parser Error Message: Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.
Source Error:

Line 18:             during development.
Line 19:         -->Line 20: <compilation debug="false" targetFramework="4.0" /> Line 21:     <!--
Line 22:           The <authentication> section enables configuration 

Source File: C:\inetpub\wwwroot\web.config   Line: 20            

Version Information: Microsoft .NET Framework Version:2.0.50727.5466; ASP.NET Version:2.0.50727.5456