[Samba] Samba PDC - Usernames with over 20 characters are not working with Vista SP1

[Jeremy Allison]

On Tue, Oct 14, 2008 at 06:07:25PM +0100, Andrei Mikhailovsky wrote:
> Bruno, thanks for the reply.
> 
> Having read through the section i have found the information on the
> group name limitations, which are mostly related to Unix like system.
> >From there, windows 200x systems support group names of 254 characters.
> It doesn't actually say anything about username limitations.
> 
> I have no problem using long usernames in Samba + Linux client - all
> works fine and I am able to login.
> 
> However, the problem is with Samba + Windows Vista SP1 and usernames
> longer then 20 characters. On the other hand, Samba + Windows Vista
> (without SP1 installed) works fine.
> 
> However, this problem does not happen with Microsoft 2003 AD + Vista
> SP1. Therefore, the combination of Samba + Vista SP1 seems to result in
> problems with logons using long usernames. I am using Samba 3.2.3 and
> the same problem happens on Samba 3.0.28 and 3.0.31.

Can you post an smbd debug level 10 log of the Vista SP1 login please ?

Thanks,

Jeremy.