You are sure that you have installed PHP Manager for IIS? Otherwise you need to add the MIME map for it. And if that's not working, check the actions in IIS what's it doing with the .PHP extension's.
You are sure that you have installed PHP Manager for IIS? Otherwise you need to add the MIME map for it. And if that's not working, check the actions in IIS what's it doing with the .PHP extension's.