wbinfo -u doesn't work. And wbinfo -g works. What's the trouble?

Question

Active Directory

Somehow like this. I do not know why. Doesn't read users.

[global]
        workgroup = KP
        realm = KP.RND
        security = ADS
        encrypt passwords = true
        server string = Backup Uni
        dns proxy = no
        socket options = TCP_NODELAY
        domain master = no
        local master = no
        preferred master = no
        os level = 0
        domain logons = no
        load printers = no
        show add printer wizard = no
        printcap name = /dev/null
        disable spoolss = yes
        idmap config * : range = 10000-200000
        idmap config * : backend = tdb
        winbind enum groups = yes
        winbind enum users = yes
        winbind use default domain = yes
        template shell = /bin/bash
        winbind refresh tickets = yes
        hide files = /$RECYCLE.BIN/desktop.ini/lost+found/Thumbs.db/
        vfs objects = acl_xattr