I have WINNT 4.0 PDC (TCP-IP address 192.168.1.10 ) and i use DHCP, WINS and DNS on it. on my network there are one PC with SCO (Version 5.05) when i ping to client from SCO the answer is correct. I installed SAMBA on SCO but it didn't work .... (Network busy message appear on client) Why? can u help me? thank u Baky b.franco at areacom.it baky at aecsistemi.it