I propose an addition to the documentation: in the official HOWTO, chapter 4, under Common Errors:

Problem: User account is authenticated against server's NetBIOS name rather than domain name

"When I try to log in to the DOMAIN, the eventlog shows 'tried credentials DOMAIN/username; effective credentials SERVER/username'"

Usually this is due to a user or machine account being created before the Samba server is configured to be a domain controller. Accounts created before the server becomes a domain controller will be "local" accounts and authenticated as a member in the SERVER domain, much like local user accounts in Windows 2000 and later. Accounts created after the Samba server becomes a domain controller will be "domain" accounts and will be authenticated as a member of the DOMAIN domain.

This can be verified by issuing the command 'pdbedit -L -v username'. The line to consider is Domain: if it reports DOMAIN then the account is a domain account, if it reports SERVER then the account is a local account.

The easiest way to resolve this is to remove and recreate the account; however this may cause problems with established user profiles. You can also use 'pdbedit -u username -I DOMAIN'; you may also have to change the User SID and Primary Group SID to match the domain.

Josef Schauer wrote:
Hi Jonathan.
What does 'pdbedit -L -v josef' reveal on the Samba server? It sounds
almost like the user account for josef might have been created before
the Samba server was converted to a domain controller; in this case,
that account will be considered a local account on the Samba server
instead of a domain account. If this is the case, then you may find it
easiest to remove the user account and recreate it.
Your guess was wright. The user josef was considered as a local
account.

I deleted the user josef with pdbedit -x josef and created a new user
with pdbedit -a josef.

Nothing else had to be done ;-)

I spend two days on solving this problem ;-(
With your suggestion the issue was solved in a few minutes 8-)

Thx Josef

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