[Samba] Failed to modify entry for user in samba with tdb backend

[Klaus Hartnegg]

Am 03.03.2015 um 13:22 schrieb Francesc Guasch Ortiz:
>      # smbpasswd -x olduser
>      Failed to delete entry for user olduser.

This happens if samba runs in PDC mode and the user is not in /etc/passwd.