Windows 2000 support in NDPS

We are presently running 600 printers in a Netware environment running NDPS. We are migrating to Win2k on the desktop and I cannot get drivers loaded for 2000 in the NDPS broker. I am not even able to see a choice for 2000 drivers within RMS management. I am running NWadmin from a Netware 5 box with sp 6. Any ideas?