samba - Apr 2007 - Win2k3 server cannot access samba share

Hi all,
 
    For some reason my win2k3 servers cannot access my samba share's.
All my other win2k servers and xp workstations can.  For the servers im
using the domain administrator user.  The only thing difference is the
version of the OS.  Has anybody ran into this?
 
Thanks for any insight,
 
Mike