Prepare and Install Novell’s Domain Services for Windows
TID 7002172 provides steps to follow to ensure a successful install.
Start with a clean install, eDirectory can not be installed on the server prior to installing DSfW.
Be sure the /etc/hosts has the server name and domain name you want for the name of your domain.
List the DSfW server as the first DNS server in the /etc/resolv.conf
If you removed DSfW and are installing again, be sure to follow TID 7005431 to properly clean up the tree.