Здравствуйте.
Настраиваю сейчас samba на debian 9. Версия самбы 4.5.12
Конфиг:

# Global parameters
[global]
netbios name = TST
realm = TST.IVK
server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbindd, ntp_signd, kcc, dnsupdate
workgroup = TSTIVK
server role = active directory domain controller
# idmap_ldb:use rfc2307 = yes
# winbind separator = +
winbind cache time = 10
winbind enum users = true
winbind enum groups = true
winbind use default domain = Yes