is used for specific servers, which do not support "header" function for redirections - then they will use this template for meta-header redirection. It's left from the ancient times, and probably today mostly all servers support "header". However earlier versions of IIS didn't do that; may be some other servers now, not sure. How to trigger: edit setup_options.php and de-comment/set up $metaLocation
parameter; refer to the manual
for more infos.
2) Edit setup_options.php and set up this:
It will load the "old-school" forums layout, which besides of this template, also use some others. They all are listed in the Manual