samba - Feb 2004 - Authentication of user through Win2k to Samba PDC failed

I have set up a Samba PDC with LDAP password backend schema. I found the way of 
connecting win2k workstations to this Samba server by setting the 
parameter "workgroup" (in smb.conf) to the name of the domain I
created
previously in Samba/LDAP. 

Once in win2k workstations, I changed the identification from workgroup members 
to domain. But when validating, it asked for any user who belongs to that 
domain. 

I am logged in win2k with a user that is already created in Samba. 

What's the problem? 

It doesn't matter the user (in Samba) I try to connect from win2k, but it
says
both username and password are unknown.

I attach here my smb.conf file:


# Samba config file created using SWAT
# from 0.0.0.0 (0.0.0.0)
# Date: 2004/02/16 15:42:24

# Global parameters
[global]
	domain master = Yes
	preferred master = yes	
	local master = yes
	domain logons = yes
	directory mask = 0770
	passdb backend = ldapsam:ldap://localhost:389
	logon script = logon.cmd
	veto files = /*.eml/*.nws/riched20.dll/*.{*}/
	printing = cups
	force directory mode = 0770
	ldap admin dn = cn=root,dc=my,dc=domain
	#logon path = \{}\{}%N\{}profiles\{}%U
	#logon path = /var/lib/samaba/netlogon
	workgroup = LINUXTEST
	os level = 255
	create mask = 0770
	wins support = true
	ldap machine suffix = ou=machines
	printcap name = CUPS
	#logon home = \{}\{}%N\{}\{}%u\{}winprofile
	netbios name = LINUXTEST
	force create mode = 0770
	ldap group suffix = ou=Groups
	ldap filter = (&(uid=%u)(objectclass=sambaSamAccount))
	logon drive = H:
	ldap user suffix = ou=People
	auto services = homes
	time server = Yes
	security = user
	map to guest = Bad User
	socket options = TCP_NODELAY SO_RCVBUF=8192 IPTOS_LOWDELAY 
SO_SNDBUF=8192
	ldap suffix = dc=my,dc=domain
	ldap ssl = off
	hide unreadable = yes
	#hosts allow = 192.168.0.0/255.255.255.0 127.0.0.1
	#hosts deny = all

[homes]
	comment = Home Directories
	valid users = %S
	read only = No
	create mask = 0740
	directory mask = 0750
	browseable = No

[printers]
	comment = All Printers
	path = /var/tmp
	create mask = 0600
	printable = Yes
	browseable = No

[print$]
	comment = Printer Drivers
	path = /var/lib/samba/drivers
	write list = @ntadmin, root
	force group = ntadmin
	create mask = 0664
	directory mask = 0775

[supersamba]
	user = @ldapusers
	path = /usr/local/shares/super
	writeable = yes
	comment = Samba ist Super
	valid users = @ldapusers

[netlogon]
	path = /var/lib/samba/netlogon
	write list = root
	read only = yes
	guest ok = yes
	browseable = no

[profiles]
	path = /var/lib/samba/profiles
	browseable = no
	read only = no
	directory mask = 0700
	create mask = 0600



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