We have netware 4.2 .
on all xp client & Windows 2003 server we have installed novell client 4.91 sp2
we are able login netware server & access all volumes from both xp & windows 2003 server for last 4 years.
We installed new Windows 2003 r2 32 bit server make it as Activite directory.
We are not able access netware server from w2k3 R2 either with microsoft built in client or Novell client 4.91

it there any compatibilty problem betware netware 4 & Windows 2003 r2 32 bit?.