samba - Sep 2010 - Machine account reject - additional troubleshooting

I played around the whole day with various hints
I have found in the web, without any progress.

What I do have discovered is that if you have that
"Rejecting auth request from machine account" issue, that
windows 7 firewall e.g. don't recognizes that you are connected
to a domain network.
Not a real problem, but what I find more harmful is, that
i changed the username and password of the domain administrator
and on all the machines that are have that reject issue - i can
still use the old one! (what is not really secure).

If somebody knows more about that windows 7 - samba 3.5.4 - ldap problem
than pleaaassse state something...

regards
Martin

> Not a real problem, but what I find more harmful is, that
> i changed the username and password of the domain administrator
> and on all the machines that are have that reject issue - i can
> still use the old one! (what is not really secure).
>
> If somebody knows more about that windows 7 - samba 3.5.4 - ldap problem
than pleaaassse state something...

Hi Martin,

I'm afraid that I don't any information to offer you.  But I want to add
that our setup is very similar to yours.  Samba DC with an OpenLDAP
backend (except our version of Samba is 3.4.8).  Client machines are a mix
of Windows XP and Windows 7.  And we are seeing the same error messages in
the logs.  Your comment regarding changing the domain admin username and
password is troubling.  I'll have to see if we have the same issue on
Monday.

-Bryan