Hi  Rich,

> This is likely the problem - what platform?
> rpm -qi fedora-ds-base
> rpm -qi fedora-ds-admin
> rpm -qi mod_nss
I'm running Fedora 9:
 
# yum install fedora-ds-base fedora-ds-admin mod_nss
....
Package fedora-ds-base-1.1.3-2.fc9.i386 already installed and latest version
Package fedora-ds-admin-1.1.6-1.fc9.i386 already installed and latest version
Package mod_nss-1.0.7-9.fc9.i386 already installed and latest version
Nothing to do