[Samba] client access denied

[Ronald Sigauke]

Running TRU64 5.1+ on client servers.Client has dedicated network.
Samba configured and running on both servers.Windows 2000 clients on same 
subnet mask as the servers connect to the shares without any problems but those 
on other subnet mask cannot connect even though they can see the servers in 
network neighbourhood.

security=share

Message produced when trying to connect is :

//servername is not accessible
There are currently no logon servers available to service the logon request.