Hi Theresa,
LDAP authentication requires installing the
RT::Authen::ExternalAuthhttp://search.cpan.org/%7Etsibley/RT-Authen-ExternalAuth-0.12/lib/RT/Authen/ExternalAuth.pmmodule.
Install the module then follow the directions in its README to see
what to add to your RT_SiteConfig.pm. The best
I was also trying to figure this out so I could make a report of which
tickets entered a specific queue in a date range, even if the ticket
is not in that queue currently.
In RT 3.8, there were these 3 pre-made reports under tools reports
in the interface. Admittedly, they weren't very useful,