The following Novell articles and documents provide additional information:
How to Optimize Novell Licensing Services (January 2001 NetWare Application Notes)
Important Information Regarding Changes to Licensing for NetWare 6
Troubleshooting Downloaded Licenses from Shop Novell
Troubleshooting NetWare 6 Novell Licensing Services
Troubleshooting Licenses in a NetWare 5.1 and NetWare 6 Environment