Так, словами я описал ситуацию быстро и точно, если интересны логи - скажите какие (в логе idmap ничего нового от того, что я приводил в первом посте, только имена бэкэнда и пределы диапазона меняются - смысл ровно тот же). Что касается случая с локальным бэкэндом и доменом * то лог winbind вот (здесь видно, что домен получен в верхнем регистре и доменные пользователи отрабатывают, однако при обращении getpwnam уже нижний регистр домена):
[2016/11/16 21:52:25.601448, 3] ../source3/param/loadparm.c:3754(lp_load_ex)
lp_load_ex: refreshing parameters
[2016/11/16 21:52:25.601558, 3] ../source3/param/loadparm.c:548(init_globals)
Initialising global parameters
[2016/11/16 21:52:25.601594, 2] ../source3/param/loadparm.c:320(max_open_files)
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
[2016/11/16 21:52:25.601726, 3] ../source3/param/loadparm.c:2683(lp_do_section)
Processing section "[global]"
doing parameter security = ADS
doing parameter map to guest = bad user
doing parameter log file = /var/log/samba/log.%m
doing parameter log level = 4
doing parameter usershare allow guests = yes
doing parameter realm = MYDOM.LAN
doing parameter dns proxy = no
doing parameter auto services = global
doing parameter server string = %h server (Samba, Ubuntu)
doing parameter passwd program = /usr/bin/passwd %u
doing parameter passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
doing parameter pam password change = yes
doing parameter server role = standalone server
doing parameter unix password sync = yes
doing parameter panic action = /usr/share/samba/panic-action %d
doing parameter obey pam restrictions = yes
doing parameter workgroup = MYDOM
doing parameter max log size = 1000
doing parameter template shell = /bin/bash
doing parameter os level = 20
doing parameter wins server = 192.168.0.1
doing parameter username map = /etc/samba/smbusers
doing parameter idmap config * : range = 1300000 - 1999999
doing parameter idmap config * : backend = tdb
doing parameter idmap config BUILTIN : range = 1100000 - 1199999
doing parameter idmap config BUILTIN : backend = ad
doing parameter idmap config NT AUTHORITY : range = 1200000 - 1299999
doing parameter idmap config NT AUTHORITY : backend = ad
doing parameter idmap config MYDOM : backend = tdb
doing parameter idmap config MYDOM : default = yes
doing parameter idmap config MYDOM : range = 10000–50000
doing parameter idmap config MYDOM : schema_mode = rfc2307
doing parameter winbind enum groups = yes
doing parameter winbind enum users = yes
doing parameter winbind nss info = rfc2307
doing parameter winbind use default domain = yes
doing parameter winbind offline logon = yes
doing parameter winbind normalize names = no
doing parameter winbind refresh tickets = yes
doing parameter winbind cache time = 600
doing parameter auth methods = winbind
doing parameter preferred master = No
doing parameter local master = No
doing parameter domain master = No
doing parameter ldap ssl = no
doing parameter strict locking = No
doing parameter dos charset = cp866
doing parameter hosts allow = 192.168. 10.0.3. 127.
doing parameter interfaces = 192.168.0.7/16
doing parameter bind interfaces only = yes
doing parameter kerberos method = secrets and keytab
doing parameter dedicated keytab file = /etc/samba/myserv.keytab
doing parameter template homedir = /srv/users/%U
doing parameter acl group control = yes
doing parameter usershare path = /srv/users
doing parameter load printers = no
doing parameter printing = bsd
doing parameter printcap name = /dev/null
doing parameter disable spoolss = yes
doing parameter client max protocol = SMB3
doing parameter map hidden = no
doing parameter map system = no
doing parameter map archive = no
doing parameter store dos attributes = yes
doing parameter inherit acls = yes
doing parameter inherit owner = yes
doing parameter inherit permissions = yes
doing parameter map acl inherit = yes
doing parameter unix extensions = no
[2016/11/16 21:52:25.603459, 4] ../source3/param/loadparm.c:3795(lp_load_ex)
pm_process() returned Yes
[2016/11/16 21:52:25.603757, 2] ../source3/lib/interface.c:479(interpret_interface)
interpret_interface: Adding interface 192.168.0.7/16
[2016/11/16 21:52:25.603797, 2] ../source3/lib/interface.c:341(add_interface)
added interface 192.168.0.7/16 ip=192.168.0.7 bcast=192.168.255.255 netmask=255.255.0.0
[2016/11/16 21:52:25.603917, 2] ../source3/lib/interface.c:479(interpret_interface)
interpret_interface: Adding interface 192.168.0.7/16
[2016/11/16 21:52:25.603945, 2] ../source3/lib/interface.c:341(add_interface)
added interface 192.168.0.7/16 ip=192.168.0.7 bcast=192.168.255.255 netmask=255.255.0.0
[2016/11/16 21:52:25.606240, 4] ../source3/lib/time.c:266(TimeInit)
TimeInit: Serverzone is -7200
[2016/11/16 21:52:25.620336, 1] ../source3/lib/tdb_validate.c:480(tdb_validate_and_backup)
tdb '/var/lib/samba/winbindd_cache.tdb' is valid
[2016/11/16 21:52:25.620453, 3] ../source3/lib/tdb_validate.c:379(rename_file_with_suffix)
file '/var/lib/samba/winbindd_cache.tdb.bak' does not exist - so not moved
[2016/11/16 21:52:25.662308, 1] ../source3/lib/tdb_validate.c:490(tdb_validate_and_backup)
Created backup '/var/lib/samba/winbindd_cache.tdb.bak' of tdb '/var/lib/samba/winbindd_cache.tdb'
[2016/11/16 21:52:25.663053, 2] ../source3/winbindd/winbindd_util.c:288(add_trusted_domain_from_tdc)
Added domain BUILTIN (null) S-1-5-32
[2016/11/16 21:52:25.663156, 2] ../source3/winbindd/winbindd_util.c:288(add_trusted_domain_from_tdc)
Added domain MYSERV (null) S-1-5-21-1695786889-3056414441-654528254
[2016/11/16 21:52:25.663245, 2] ../source3/winbindd/winbindd_util.c:288(add_trusted_domain_from_tdc)
Added domain MYDOM MYDOM.LAN S-1-5-21-17450420-1448019037-754547665
[2016/11/16 21:52:25.663676, 0] ../lib/util/become_daemon.c:124(daemon_ready)
STATUS=daemon 'winbindd' finished starting up and ready to serve connections
[2016/11/16 21:52:28.148356, 3] ../source3/winbindd/winbindd_misc.c:396(winbindd_interface_version)
[21848]: request interface version (version = 27)
[2016/11/16 21:52:28.148521, 3] ../source3/winbindd/winbindd_misc.c:429(winbindd_priv_pipe_dir)
[21848]: request location of privileged pipe
[2016/11/16 21:52:28.148812, 3] ../source3/winbindd/winbindd_getpwent.c:50(winbindd_getpwent_send)
[21848]: getpwent
[2016/11/16 21:52:33.376300, 3] ../source3/winbindd/winbindd_getpwent.c:50(winbindd_getpwent_send)
[21848]: getpwent
[2016/11/16 21:57:27.941512, 3] ../source3/winbindd/winbindd_misc.c:396(winbindd_interface_version)
[21894]: request interface version (version = 27)
[2016/11/16 21:57:27.941665, 3] ../source3/winbindd/winbindd_misc.c:429(winbindd_priv_pipe_dir)
[21894]: request location of privileged pipe
[2016/11/16 21:57:27.941857, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam mydom\pupkin
[2016/11/16 21:57:27.950851, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam pupkin
[2016/11/16 21:57:27.956497, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam global
[2016/11/16 21:57:27.958667, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam GLOBAL
[2016/11/16 21:57:27.959256, 3] ../source3/winbindd/winbindd_getpwuid.c:47(winbindd_getpwuid_send)
getpwuid 1300003
[2016/11/16 21:57:27.960668, 3] ../source3/winbindd/winbindd_sids_to_xids.c:50(winbindd_sids_to_xids_send)
sids_to_xids
[2016/11/16 21:57:28.105719, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam mydom\pupkin
[2016/11/16 21:57:28.106257, 3] ../source3/winbindd/winbindd_getgrgid.c:50(winbindd_getgrgid_send)
getgrgid 1300000
[2016/11/16 21:57:28.107547, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam mydom\pupkin
[2016/11/16 21:57:28.108172, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam mydom\pupkin
[2016/11/16 21:57:28.108682, 3] ../source3/winbindd/winbindd_getpwnam.c:56(winbindd_getpwnam_send)
getpwnam mydom\pupkin
[2016/11/16 21:57:28.132136, 3] ../source3/winbindd/winbindd_lookupname.c:69(winbindd_lookupname_send)
lookupname MYDOM\пользователи домена
[2016/11/16 21:57:28.133927, 3] ../source3/winbindd/winbindd_lookupname.c:69(winbindd_lookupname_send)
lookupname MYDOM\пользователи домена
[2016/11/16 21:57:28.134197, 3] ../source3/winbindd/winbindd_lookupname.c:69(winbindd_lookupname_send)
lookupname MYDOM\администраторы домена
[2016/11/16 21:57:28.143422, 3] ../source3/winbindd/winbindd_lookupname.c:69(winbindd_lookupname_send)
lookupname MYDOM\пользователи домена
[2016/11/16 21:57:28.143729, 3] ../source3/winbindd/winbindd_lookupname.c:69(winbindd_lookupname_send)
lookupname MYDOM\администраторы домена
[2016/11/16 21:57:28.143986, 3] ../source3/winbindd/winbindd_lookupname.c:69(winbindd_lookupname_send)
lookupname MYDOM\pupkin
лог idmap вот:
[2016/11/16 21:52:28.371616, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.479606, 1] ../source3/winbindd/idmap.c:323(idmap_init_domain)
invalid range '10000–50000' specified for domain 'mydom'
[2016/11/16 21:52:28.479671, 3] ../source3/winbindd/idmap.c:148(idmap_found_domain_backend)
Could not init idmap domain mydom
[2016/11/16 21:52:28.479722, 3] ../source3/winbindd/idmap.c:282(idmap_init_domain)
idmap backend ad not found
[2016/11/16 21:52:28.487807, 2] ../lib/util/modules.c:196(do_smb_load_module)
Module 'ad' loaded
[2016/11/16 21:52:28.520841, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.523430, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.554131, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.555583, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.587424, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.589960, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.620719, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.622230, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.654011, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.655461, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.687319, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.688797, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
[2016/11/16 21:52:28.720599, 4] ../source3/winbindd/winbindd_dual.c:1397(child_handler)
Finished processing child request 59
[2016/11/16 21:52:28.722064, 4] ../source3/winbindd/winbindd_dual.c:1389(child_handler)
child daemon request 59
Если этих логов не достаточно - подскажите какие нужны еще.