Different people have different reason for this failure but in your case you need to remember that besides finding Administrator Samba need to find machine trust account as well. If it can't find it the same error message "Can't find user" is reported back to Windows.

Check that machine account was successfuly created during joining of the Domain, that flag marks it as a Workstation trust account (W), and that you can see this account with 'getent passwd' request.

And a minor note, which probably is unrelated to your problem - don't use '-a' option to smbldap-useradd in your 'add user script' since Samba expects this script to create only Posix account.

Igor

Samuele Giovanni Tonon wrote:
hi,
i have read that someone has similar problem to mines, however i didn't find how it solved them .


The problem is this: samba as a PDC for a window domain.
The authentication is managed with openldap.

if i try to change the password of any ldap account with smbpassword i have no error.
if i try to access to the shared folder of samba, with windows, it asks
me for authentication and it all work.
The only thing i'm not able to do is to manage the windows authentication through domain: when i try to join the domain using Administrator it says to me "Can't find user" but in samba log i have:


[2004/10/13 11:27:45, 2] smbd/sesssetup.c:setup_new_vc_session(608) setup_new_vc_session: New VC == 0, if NT4.x compatible we would close all old resources.
[2004/10/13 11:27:45, 2] smbd/sesssetup.c:setup_new_vc_session(608)
setup_new_vc_session: New VC == 0, if NT4.x compatible we would close all old resources.
[2004/10/13 11:27:45, 2] passdb/pdb_ldap.c:init_sam_from_ldap(485)
init_sam_from_ldap: Entry found for user: Administrator
[2004/10/13 11:27:45, 2] auth/auth.c:check_ntlm_password(305)
check_ntlm_password: authentication for user [Administrator] -> [Administrator] -> [Administrator] succeeded
[2004/10/13 11:27:46, 2] rpc_server/srv_samr_nt.c:_samr_lookup_domain(2477)
Returning domain sid for domain KOSAVUTU -> S-1-5-21-1603302580-212172761-3240640930
[2004/10/13 11:27:46, 2] smbd/server.c:exit_server(571)
Closing connections



so Administrator is known, the authentication works, but in some way either samba or windows doesn't communicate well.
Any hints ?


i'm attaching my smb.conf, hoping it can help.

Regards


------------------------------------------------------------------------

#
# Sample configuration file for the Samba suite for Debian GNU/Linux.
#
#
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which # are not shown in this example
#
# Any line which starts with a ; (semi-colon) or a # (hash) # is a comment and is ignored. In this example we will use a #
# for commentary and a ; for parts of the config file that you
# may wish to enable
#
# NOTE: Whenever you modify this file you should run the command
# "testparm" to check that you have not many any basic syntactic # errors. #


#======================= Global Settings =======================

[global]

## Browsing/Identification ###
        workgroup = KOSAVUTU
        ;netbios name = PDC
        server string = %h server (Samba %v)
        syslog = 30
        security = user
        null passwords = true
        encrypt passwords = true

        add user script = /usr/sbin/smbldap-useradd -m -a "%u"
        delete user script = /usr/sbin/smbldap-userdel "%u"
        add group script = /usr/sbin/smbldap-groupadd -p "%g"
        delete group script = /usr/sbin/smbldap-groupdel "%g"
        add user to group script = /usr/sbin/smbldap-groupmod -m "%u" "%g"
        delete user from group script = /usr/sbin/smbldap-groupmod -x "%u" "%g"
        set primary group script = /usr/sbin/smbldap-usermod -g "%g" "%u"
        add machine script = /usr/sbin/smbldap-useradd -w "%u"


socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 logon script = logon.bat logon path = \\PDC\profiles\%g

        client NTLMv2 auth = Yes
        client lanman auth = No
        client plaintext auth = No
        min protocol = LANMAN2
        time server = Yes
        server signing = auto

        local master = Yes
        os level = 40
        domain logons = Yes
        preferred master = Yes
        domain master = Yes
        wins support = No
        wins server = 10.0.0.1

        log file = /var/log/samba/samba.log.%m
        log level = 2 passdb:2 auth:2 winbind:2
        admin users = root,Administrator

        passdb backend = ldapsam:ldap://127.0.0.1/
        passwd program = /usr/sbin/smbldap-passwd -o %u
        passwd chat = *new*password* %n\n *new*password:* %n\ *succesfully*
        passwd chat debug = Yes
        ldap suffix = dc=sferacarta,dc=com
        ldap machine suffix = ou=machines
        ldap user suffix = ou=people
        ldap group suffix = ou=groups
        ldap idmap suffix = ou=users
        ldap admin dn = "cn=Manager,dc=sferacarta,dc=com"
        ldap ssl = no
        ldap passwd sync = Yes
        ldap delete dn = Yes

[netlogon]
        path = /etc/samba/netlogon
        locking = no
        browsable = no
        read only = yes

[profiles]
path = /etc/samba/profiles
read only = no
writeable = yes
create mask = 0600
directory mask = 0700
browseable = No
guest ok = Yes
profile acls = yes
csc policy = disable
force user = %U valid users = %U "Domain Admins"


[homes]
        comment = Home Directories
        browseable = no
        writable = no
        create mask = 0700
        directory mask = 0700

[kosovo]
        comment = kosovo
        browseable = yes
        writable = no
        path = /kosovo


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