I think the problem is that MIT and Heimdal don't allow a @ in the 
userprincipalname. If you capture the traffic from a XP machine to AD when 
you login with  [EMAIL PROTECTED] you will see an AS request 
for  [EMAIL PROTECTED]@KONZERN.INTERN

Rgards
Markus


"Michael B Allen" <[EMAIL PROTECTED]> wrote in message 
news:[EMAIL PROTECTED]
> On Tue, 10 Oct 2006 08:40:55 +0200
> "Djihangiroff, Matthias (KC-DD)" <[EMAIL PROTECTED]> wrote:
>
>> But it doesnt work.
>> If they type in their user PrincipalName, i get an entry in my error log. 
>> (Specified realm `persona.de' not allowed by configuration)
> <snip>
>> > > get a ticket for [EMAIL PROTECTED] But the realm
>> > > persona.de doesnt exists (its konzern.intern) :-)
>
> Ahh, I see. I can think of several possible solutions:
>
> 1) Hack mod_kerb_auth to "rewrite" the email address to their correct 
> userPrincipalName
> 2) Instruct users to use their correct konzern.intern domain
> 3) Rebuild your entire domain to use persona.de instead of konzern.inter
> 4) Setup a KDC for persona.de with a trust to konzern.intern
>
> Note I know more about Negotiate auth than I do Kerberos in general so
> hopefully someone will chime in if I'm wrong.
>
> -- 
> Michael B Allen
> PHP Active Directory SSO
> http://www.ioplex.com/
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