[Samba] login on WinNT and 9X

[Juliano Medeiros Coimbra]

Hi, I am a new member of this list and I couldn't find and message to 
help me in the Samba archives.
We're migrating from a FreeBSD 4.0 server with Samba2 to a FreeBSD 5.3 
server with Samba 3.0.12_1,1.
These too servers are  on the same network, but workgoups are different 
(old server is DESQ-Samba and the new one is NDESQ).
Our network have Windows 95, 98, NT, 2k and XP!
This old server uses the master.passwd to authenticate users, I tried to 
do the same with the new one, but I couldn't get a passwd backend (plain 
text) to do this, so I moved to smbpasswd backend and now everything 
works fine, except for Windows 9X and NT - users cannot login to any share.
Theres is no firewall in the new server (yet). I am attaching my 
smb.conf file to your apreciattion.
If there is a reason to ignore this problem, considering the old server 
will go down when the new one gets 100% fine, please, tell me.

best regards!
Juliano
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# Samba config file created using SWAT
# from 127.0.0.1 (127.0.0.1)
# Date: 2005/05/06 17:20:02

# Global parameters
[global]
	workgroup = NDESQ
	server string = Teste (Samba %v)
	interfaces = 143.106.19.25/255.255.255.192, 127.
	bind interfaces only = Yes
	encrypt passwords = No
	update encrypted = Yes
	password server = kappa.desq.feq.unicamp.br
	passdb backend = smbpasswd
	root directory = /
	passwd program = /usr/bin/passwd %u
	password level = 8
	log file = /var/log/samba/log.%m
	max log size = 500
	announce as = WfW
	name resolve order = host wins lmhosts bcast
	time server = Yes
	server signing = auto
	load printers = No
	preferred master = No
	local master = No
	domain master = No
	dns proxy = No
	wins server = 143.106.19.2
	ldap ssl = no
	socket address = 143.106.19.25
	NIS homedir = Yes
	invalid users = root, toor, operator, tty, kmem, bin, daemon, games, news, man, sshd, smmsp, mailnul, bind, proxy, pop, www, nobody
	hosts allow = 143.106.19.0/255.255.255.192, 143.106.19.64/255.255.255.192, 143.106.123.0/255.255.255.192
	printing = bsd
	print command = lpr -r -P'%p' %s
	lpq command = lpq -P'%p'
	lprm command = lprm -P'%p' %j

[tmp]
	comment = Temporary file space
	path = /tmp/share
	force user = nobody
	read only = No
	create mask = 0777
	guest only = Yes
	guest ok = Yes
	fstype = FAT

[homes]
	comment = Homes directories
	read only = No
	veto files = /*.mp3/*.wmv/
	browseable = No