[Samba] Failed to find domain Unix Group

Carlos A. P. Cunha carlos.hollow at gmail.com
Tue Jul 12 19:03:38 UTC 2016


Hello!

My file server is running ubuntu samba 4.3.0 and today started the 
problem that my IDs have changed and this caused countless problems.
In the logs I have the following:

Jul 12 15:57:07 samba fileserver winbindd [1141] [07.12.2016 15: 57: 
07.605992, 0] ../source3/winbindd/winbindd_group.c:45(fill_grent)
Jul 12 15:57:07 samba fileserver winbindd [1141]: Failed to find domain 
'Unix Group'. Check connection to trusted domains!
Jul 12 15:57:07 samba fileserver winbindd [1141] [07.12.2016 15: 57: 
07.606582, 0] ../source3/winbindd/winbindd_group.c:45(fill_grent)
Jul 12 15:57:07 samba fileserver winbindd [1141]: Failed to find domain 
'Unix Group'. Check connection to trusted domains!
Jul 12 15:57:07 samba fileserver winbindd [1141] [07.12.2016 15: 57: 
07.739510, 0] ../source3/winbindd/winbindd_group.c:45(fill_grent)
Jul 12 15:57:07 samba fileserver winbindd [1141]: Failed to find domain 
'Unix Group'. Check connection to trusted domains!
Jul 12 15:57:07 samba fileserver winbindd [1141] [07.12.2016 15: 57: 
07.743113, 0] ../source3/winbindd/winbindd_group.c:45(fill_grent)
Jul 12 15:57:07 samba fileserver winbindd [1141]: Failed to find domain 
'Unix Group'. Check connection to trusted domains!


my smb.conf

[global]

netbios name = FILESERVER
workgroup = SERVER
security = ADS

realm = MYDOMAIN
dedicated keytab file = /etc/krb5.keytab
kerberos method = secrets and keytab


idmap config *: backend = tdb
# I changed values ​​for test
idmap config *: range = 100000-9999999
idmap config SERVERAD: backend = rid
# I changed values ​​for test
idmap config SERVERAD: range = 1000000000 to 9999999999
idmap_ldb: use RFC2307 = Yes

winbind nss info = RFC2307
winbind trusted domains only = no
winbind use default domain = yes
winbind enum users = yes
winbind enum groups = yes
winbind refresh tickets = Yes
winbind cache time = 10

# Needed for Fileserver
vfs objects = acl_xattr
map acl inherit = Yes
store the attributes = Yes

# Disable Cups
load printers = no
printing = bsd
printcap name = / dev / null
spoolss disable = yes


I think the problem is that the ID are conflicting with the system:

id user01
uid = 11458 (user01) gid = 10513 (domain users) groups = 10513 (domain 
users), 11458 (user01), 18249 (almox_grupo), 5001 (BUILTIN \ users)


Thanks!!


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