Samba-seguridad

Tengo un servidor suse linux enterprise 10, y un servidor de aplicaciones en samba y esta perfecto hay un pequeño inconveniente que cuando tengo seguridades en en las carpetas en windows no puedo acceder y he creado usuarios para samaba y no se como hacerlo en windows la configuracion fue la siguiente:

[global]

workgroup = INAR

printing = cups

printcap name = cups

printcap cache time = 750

cups options = raw

map to guest = Bad User

username map = /etc/samba

include = /etc/samba/dhcp.conf

logon path = \\%L\profiles\.msprofile

logon home = \\%L\%U\.9xprofile

logon drive = P:

usershare allow guests = Yes

add machine script = /usr/sbin/useradd -c Machine -d /var/lib/nobody -s /bin/false %m$

domain logons = Yes

domain master = Yes

local master = Yes

os level = 128

passdb backend = smbpasswd

preferred master = Yes

encrypt passwords = Yes

security = user

wins support = Yes

ldap suffix =

[homes]

comment = Home Directories

valid users = %S, %D%w%S

browseable = Yes

read only = No

inherit acls = Yes

[profiles]

comment = Network Profiles Service

path = %H

read only = No

store dos attributes = Yes

create mask = 0600

directory mask = 0700

[users]

comment = All users

path = /home

read only = No

inherit acls = Yes

veto files = /aquota.user/groups/shares/

[groups]

comment = All groups

path = /home/groups

read only = No

inherit acls = Yes

[printers]

comment = All Printers

path = /var/tmp

printable = Yes

create mask = 0600

browseable = No

[print$]

comment = Printer Drivers

path = /var/lib/samba/drivers

write list = @ntadmin root

force group = ntadmin

create mask = 0664

directory mask = 0775

[netlogon]

comment = Network Logon Service

path = /var/lib/samba/netlogon

write list = root

[public]

comment = Cosas publicas

path = /home/public

public = yes

writable = yes

guest ok = yes

directory mode = 0777

force directory mode = o777

create mask = 0600

directory mask = 0700

[Jhonatan]

comment = Cosas publicas

valid users = Jhonatan ( ojo en esto ya cree eel usuario en linux y clave en samba)

path = /home/Jhonatan

public = yes

writable = yes

guest ok = yes

como puedo hacer para ingresar awindows con la clave, porfavor ayudenme en ese aspecto gracias.