/etc/nsswitch.conf должны быть заданы следующие параметры:
/etc/nsswitch.conf:
passwd: files winbind systemd shadow: tcb files winbind group: files [SUCCESS=merge] winbind role systemd gshadow: files hosts: files myhostname dns ethers: files netmasks: files networks: files protocols: files rpc: files services: files automount: files aliases: files