I have installed the Native file access for Windows on all three of my
Novell SBS 6.0 Sp4 server but I can only access one. I have found that I
am unable to ping the server by their Windows names for example:

Ping Server_A -> OK
Ping Server_A_W -> OK

Ping Server_B -> OK
Ping Server_B_W -> Hosts not found

Ping Server_C -> OK
Ping Server_C_W -> Hosts not found

What could cause this?

All server show up in network neighborhood, just server b and c give an
error of host not found.

Just wondering,