This one has had me stumped for a while – ASP.NET MVC 2 sites refused to run on IIS 7.5 (Windows 7). It would either complain and break. Or show me the files in the directory. After a bit of Googling around – I found a solution (that works for me at least):

Step 1:

Install the .Net Framework 4 into IIS using:

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

You will need to run it as Administrator if you have UAC turned on.

Step 2:

Install the correct IIS component’s (Control Panel > Add/Remove Windows features > Internet Information Services > World Wide Web Services)

• Common HTTP features
  • HTTP Errors
  • HTTP Redirection
• Health and Diagnostics
  • Request Monitoring
  • Tracing

Step 3:

Set the app pool to use ASP.NET 4.0

You show now be able to browse to your sites. Not sure why it doesn’t install into IIS by default though…

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