I really pray for it.
Nowadays I don’t recommend CGI/FastCGI over Microsoft-IIS/6.0.
Why ?
http://wordpress.org/support/topic/146225
http://wordpress.org/support/topic/131976
http://trac.wordpress.org/ticket/5951
http://wordpress.org/support/topic/131976
http://wordpress.pastebin.ca/893007
http://wordpress.org/support/topic/150484
Kleber Rodrigo de Carvalho