I have seen the 500 Internal Server error posted a couple of times. One solution is to comment out the following lines from otrs.conf: PerlModule Apache::Reload PerlInitHandler Apache::Reload And that does work, but you lose a small automation capability if your Perl modules are ever upgraded. Under Apache2 these lines should read: PerlModule Apache2::Reload PerlInitHandler Apache2::Reload This will give you the reload capability and get rid of the 500 Internal Server errors. Hope this helps several, --MPJ