I am trying to run PHP via FastCGI on a Windows 2008 server.
I followed this installation doc http://learn.iis.net/page.aspx/246/using-fastcgi-to-host-php-applicati
After much pain and suffering, turns out I needed to install the "Visual C++ Redistributable for Visual Studio 2012 Update 4 32-bit version", even on my 64-bit server.