ASP.NET MVC 2, .NET 4 IIS 6 and Unrecognized attribute 'targetFramework'

I am getting a very frequented error ( as I could find from web) but none of the solutions have helped me

I am deploying ASP.NET MVC 2 Project with Target Framework as 4.0 on IIS 6 . Thanks to Phil Haack I was able to configure IIS 6 to recognize URL Routes but now I am facing another issue

I have made sure of the following:

• Web service extension has 4.0.30319 enabled/ Allowed

• Have created a separate Application

  pool for this website

• My website has been configured with correct ASP.NET Version 4.0.30319

  开发者_高级运维

• .aspx is mapped to right verion :

  c:\windows\microsoft.net\framework\v4.0.30319\aspnet_isapi.dll

• Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053

What I think is interesting is that (ans as you can see in the screenshot) the page seems to indicate that the website is using Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053

Please help me get around this issue.

Thank you,

Mar

I know that on iis7 to get it work need specify .net framework version for app pool. Mb here also need to change version of framework from 2 to 4.

All,

I am answeing my own question -
on IIS 7 changing the application pool works but on IIS 6 I couldnot make code compiled in framework 4 work.

I downgraded my application framework to 3.5 ( ASP.NET on 2.0.50727). I tried for two days all workarounds and then decided to take this path to save time.

On my Application Server , I unregistered (ASPNET-REGIIS with option -u) asp.net framework 4.0.30319 and registered on 2.0.50727 (ASPNET-REGIIS with option -r)

This decision was also taken on the fact that our IT Dept dont have any plans to upgrade servers to 2008 and IIS 7 in near future.

Regards,

Mar