Re: Service Principal Name in Kerberos

Thank you so much, Jeffrey.

--
Andrei.

""Jeffrey Tan[MSFT]"" <jetan@xxxxxxxxxxxxxxxxxxxx> wrote in message
news:KVRgNq6FIHA.540@xxxxxxxxxxxxxxxxxxxxxxxxx
Hi Andrei,

Thanks for your feedback.

SPN =Domain\AppServerUser
This is not an SPN, as it does not use the syntax required. And I doubt
you
really want the SPN for the _USER_. You either want the user UPN, or the
SPN of the _SERVICE_.

Depending on what your application does, it may be able to use Kerberos if
it builds a valid SPN from this data.
If you use this syntax to identify the user, it might be able to use
Kerberos when the local machine knows it has a Kerberos level trust with
¡°Domain¡±.

Otherwise, you¡¯ll be better off if you¡¯d use the UPN for the user, and
if
there is no mapping between the UPN suffix and the AD domain FQDN and you
don¡¯t have a Kerberos level trust, you better use the implicit UPN. See:
929272 Interactive logon styles and Key Distribution Center account lookup
in Windows Server 2003
http://support.microsoft.com/default.aspx?scid=kb;EN-US;929272

Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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