Win 98 and a dos based program that requires network drive

Hi all,
Hopefully someone can assist with my predicament!!

I have a DOS based application running on both win95 and 98 that I need to
see a networked drive to save files to when it is running in DOS mode.

I have tried putting the following into the advanced autoexec script of the
progam icon :-

net start
net logon \domain\bob password /YES
net use w: \\servername\sharename

After running the net start, it returns "the commands completed
successfully"
unfortunately, I get the following after it runs the net logon and net use
:-
Error 7361: IPX or NETBIOS must be running in order to load the network
services.

I have installed NETBEUI and made it the default protocal, and the NetBIOS
tab on TCP/IP properties has a tick in the "I want to enable NetBIOS over
TCP/IP" - although it's greyed out - but I still get the above errors
!!!!!!!

What am i missing????????

Anyone know how to map drives in autoexec as the machine boots up - all help
appreciated in advance

Thanks
Mark G.