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http://www.php.net/manual/en/install.windows.php
Enabled FastCGI in IIS from Server Manager -> Roles -> Add Role Services -> CGI
Turned off all extensions except MySQL and MySQLi
FUDforum
Installed FUDforum 3.0.1 from:
http://sourceforge.net/projects/fudforum/files/FUDforum_web_install_3.0.1.zip/download