I just had a look but I really don't see any differences to both manuals.
Maybe that is the problem? I followed this guide: http://www.howtoforge.com/perfect-server-centos-5.2-ispconfig-3 but used the newest versions...
I see this thread is not too old yet, but i have -exact- the same problem when trying to install ispconfig on a Centos 5.3 server. Also at the...
Separate names with a comma.