The smbpasswd manual state the following:
"Note that the default passdb backends require the user to already exist in the system password file (usually /etc/passwd), else the request to add the user will fail."
Source: https://www.samba.org/samba/docs/man/manpages-3/smbpasswd.8.html
My question is that which are the default passdb backends?
- smbpasswd?
- tdbsam?
- ldapsam?