[Samba] Getent passwd and getent group fail / Samba 3.5.2

Oliver Weinmann oliver.weinmann at vega.de
Tue May 4 02:20:58 MDT 2010

Hi all,

I just stepped over a problem where I can't add a local user to an AD group. Running getent passwd and getent group doesn't display the AD users. Wbinfo -g and -u work fine. Here is my smb.conf:

        netbios name = sles11test1
        realm = SOMEDOMAIN.NET
        workgroup = SOMEDOMAIN
        security = ADS
        encrypt passwords = yes
        password server = someserver.somedomain.net
        idmap backend = ad
        idmap config SOMEDOMAIN : backend = ad
        idmap config SOMEDOMAIN : schema_mode = sfu
        idmap config SOMEDOMAIN : range = 0-99999999
        winbind nss info = sfu
        winbind enum users = yes
        winbind enum groups = yes
        winbind offline logon = yes
        preferred master = no
        winbind nested groups = Yes
        winbind use default domain = Yes
        max log size = 50
        log file = /var/log/samba/log.%m
        log level = 3
        dns proxy = no
        wins server =
        allow trusted domains = No
        client use spnego = Yes
        kerberos method = secrets and keytab
        dedicated keytab file = /etc/krb5.keytab
        winbind refresh tickets = true
        idmap cache time = 1
        idmap negative cache time = 1
        winbind cache time = 1

In the log I get this error when running getent group:

tail -f /var/log/samba/log.winbindd-idmap
  Could not get unix ID
[2010/05/04 10:15:29.444783,  1] winbindd/idmap_ad.c:651(idmap_ad_sids_to_unixids)
  Could not get unix ID

Getent group and passwd works fine e.g. on an old ubuntu install with samba 3.3.2.

So far I have this problem on SLES9 and SLES11.

Oliver Weinmann
Unix and Storage Administrator

VEGA Deutschland GmbH & Co. KG
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Email	: oliver.weinmann at vega.de
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