I just installed this myself the other day on Centos 5.4 and it went fine. [root at sandbox1 ~]# find /usr -name Setup.pm /usr/lib64/dirsrv/perl/Setup.pm [root at sandbox1 ~]# rpm -qf /usr/lib64/dirsrv/perl/Setup.pm centos-ds-base-8.1.0-0.14.el5.centos.2 [root at sandbox1 ~]# cat /etc/redhat-release CentOS release 5.4 (Final) [root at sandbox1 ~]# -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"