> I remain unclear regarding Samba and LDAP.
> It appears that mkntpwd is required to generate a viable sambaNTPassword
and
> sambaLMPassword attribute values.
No.
> But I believe I read that the current
> incarnation of smbpasswd can accomplish this.
Yes, this is all done via the PDB backend.
> Lastly, when utilzing
> phpLDAPadmin, do the NT and LM password fields contain the values generated
> by mkntpwd?
phpLDAPadmin might implement it's own mechanism. Generating an NT hash
is a documented thing.