server could not open multicast file error

I am running netware 6.5 sp5 with zen 7. We just setup to try a multicast
session setup in console one. We have the image file on:

\\server\vol1\zenimages\image.zmg

I put this patch in and assing rools. When the system PXE boot we get the
error.

Error Server Could Not Open Multicast File
Zenworks Image Error 191