Hello,

perhaps you have something bad with kerberos? To have a samba server in an Active Directory I use kerberos so kerberos must be well configured and TIME synced between samba server and the Domain controller (I use ntpdate).

Second: Must have the samba server joined to the domain, so the commands:

net ads testjoin
wbinfo -u
wbinfo -g

must give succesfull result (with the winbind daemon running of course)

And finally, to use the Active Directory's users on samba server the file /etc/nsswitch should have "winbind" directive on passwd and group in order to recognize those users.

Detailed explanation of samba, kerberos and winbind can be found at:

http://wiki.samba.org/index.php/Samba_&_Active_Directory

And some minor changes at /etc/resolv.conf and /etc/hosts can be made in order to avoid problems with dns.

Zorry i'm zleeppy :o
I hope this mail has given you some clue
night!

--
David

El 29/05/12 22:21, Carlos Eduardo escribió:
Hi People  ,

I have this configuration in my samba´s server and when I use this command : 
wbinfo -u
This message is showed : Error looking up domain users. I need find AD users to 
use samba.

Thanks in advance,

Eugenio,

wbinfo --sequence

SV0-SP : 1
BUILTIN : 1
LIVROS : DISCONNECTED
REDE_SP : 4516361

smbclient -L localhost -U%

Domain=[REDE_SP] OS=[Unix] Server=[Samba 3.0.10-1.4E.9]

         Sharename       Type      Comment
         ---------       ----      -------
         rip_j   Disk      Pasta rip para setor Juridico
         rip_a       Disk      Pasta Compartilhada do rip2
         troca           Disk      Pasta Compartilhada de Troca
         troca        Disk      Pasta Compartilhada de Troca2
         atual           Disk      Pasta Compartilhada do setor
         IPC$            IPC       IPC Service (Samba 3.0.10-1.4E.9)
         ADMIN$          IPC       IPC Service (Samba 3.0.10-1.4E.9)
Domain=[REDE_SP] OS=[Unix] Server=[Samba 3.0.10-1.4E.9]

         Server               Comment
         ---------            -------

         SV70-SP              Samba 3.0.10-1.4E.9

         Workgroup            Master
         ---------            -------
         REDE_SP              SV4-SP


wbinfo -t
checking the trust secret via RPC calls failed
error code was  (0x0)
Could not check secret


wbinfo -u
Error looking up domain users

wbinfo -g
BUILTIN+System Operators
BUILTIN+Replicators
BUILTIN+Guests
BUILTIN+Power Users
BUILTIN+Print Operators
BUILTIN+Administrators
BUILTIN+Account Operators
BUILTIN+Backup Operators
BUILTIN+Users

vi /etc/samba/smb.conf

    netbios name = SV0-SP
    comment = Servidor de Arquivos
    workgroup = MATRIZNT1_SP
    security = domain
   ;printing = cups
   ;printcap name = cups
   ;printcap cache time = 750
   ;cups options = raw
    map to guest = Bad User
    passdb backend = tdbsam
;   ldap admin dn = cn=Administrator,dc=serverinterno,dc=com,dc=br
;   ldap suffix = dc=serverinterno,dc=com,dc=br
    domain logons = no
    ;log level = 2
    log level = 3
    log file = /var/log/samba/log.%m
;  vfs object = full_audit
    syslog only = no
    local master = no
    wins server = 127.27.0.17
    wins support = no
    name resolve order = lmhosts host wins bcast
    dns proxy = yes
    #socket options = IPTOS_LOWDELAY TCP_NODELAY SO_SNDBUF=8192 SO_RCVBUF=8192
    socket options = IPTOS_LOWDELAY TCP_NODELAY SO_KEEPALIVE SO_RCVBUF=65535 
SO_SNDBUF=65535
    os level = 120
    oplocks = yes
    level2 oplocks = yes
    add machine script =
    preferred master = auto
    load printers = no
    encrypt passwords = yes
    client use spnego = yes
    realm = SERVERINTERNO.COM.BR
    idmap uid = 10000-30000
    idmap gid = 10000-30000
    template shell = /sbin/nologin
    winbind cache time = 600
    winbind enum users = yes
    winbind enum groups = yes
    winbind separator = +
    winbind use default domain = no
    template homedir = /home/%D/%U
    ldap idmap suffix = ou=Idmap
    ldap machine suffix = ou=Computers
    hosts allow = 127.22.
    max disk size = 0
    password server = 127.27.0.190
    create mask = 2777
    directory mask = 2777
    hide dot files = no
    guest ok = yes
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