[Samba] NT logon scripts "error 59" ?

[ipguy]

Is anyone having any problems mapping samba shares in a mixed NT/Samba domain ?
I've setup samba as a domain member server using winbind, everything work perfectly except...
If i edit my NT logon script and add a "net use j: \\samba\drive" entry in the script, only 90% of the users will map the samba drive, my workstation included, it's a mix, 98/2000 and XP workstation seem to have this problem.
When the script is run, in my case, I can see a DOS "error 59" (network error) after the script is executed, I can map the samba drive but only manually....
Anyone have any idea ?