If you have applied NW65SP4 you MUST apply this patch as soon as possible.

Attached is N65NSS4A.EXE.

This is the updated NSS patch kit for NetWare 6.5 SP4.

The main reason for this release is the problem that we found (and fixed) in
NSS where a rebuild could lead to data loss. We are currently writing a TID
with a better explanation and how to get out of this issue if you find
yourself in the middle of it.

There are other fixes in this set of files for NSS, CIFS, and AFP. Please
review the readme file (also attached) to see these issues.