[Samba] "Failed to add users for testing" - pdb_getsampwnam (TDB): error fetching database

[cr...@mypenguin.net.au]

Hi,

Running samba-4.1.12-24 on Centos 7.1, I've created about 15 user
accounts which are working perfectly, then for some reason today I go to
create another account and it starts erroring?

Config;
security = user
passdb backend = tdbsam


[root@sysvm-smb samba]# pdbedit -a testing
new password:
retype new password:
Failed to add entry for user testing.


With Debugging;
------------- Cut -------------
Attempting to find a passdb backend to match tdbsam (tdbsam)
No builtin backend found, trying to load plugin
Probing module 'tdbsam'
Probing module 'tdbsam': Trying to load from
/usr/lib64/samba/pdb/tdbsam.so
Module 'tdbsam' loaded
Attempting to register passdb backend tdbsam
Successfully added passdb backend 'tdbsam'
Found pdb backend tdbsam
pdb backend tdbsam has a valid init
new password:
retype new password:
tdbsam_open: successfully opened /var/lib/samba/private/passdb.tdb
pdb_getsampwnam (TDB): error fetching database.
Key: USER_testing
Finding user testing
Trying _Get_Pwnam(), username as lowercase is testing
Trying _Get_Pwnam(), username as uppercase is TESTING
Checking combinations of 0 uppercase letters in testing
Get_Pwnam_internals didn't find user [testing]!
Could not find user testing and no add script defined
Failed to add entry for user testing.
------------- Cut -------------


Regards,

Craig

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[Rowland Penny]

I think you will find that you are trying to create a samba user and
samba cannot find a Unix user with the same name. To prove this, create
the user first as a Unix user with adduser or whatever centos uses, then
try again with pdbedit.

Rowland