IIS must be making the translation internally from the UPN to the
sAMAccountName. It's not hard to get the UPN given the WindowsIdentity
object that you have at hand, and relying on the UPN for the user's true
name is bad programming practice IMHO.

My recommendation is to search AD for that user's object in the directory
and retrieve the first and last name properties or whatever else you need in
your code.

--
Thanks,
Brian Desmond
Windows Server MVP - Directory Services

www.briandesmond.com


"MaURiCe" <mkastro@gmail.com> wrote in message
news:1157462878.505088.151490@m73g2000cwd.googlegroups.com...
> Hello,
> I am trying to get username information by using
> User.Identity.Name.ToString, if i logged in with username to given
> network place, it is ok! It returns SERVERNAME/username.
> Otherwise if I logged in with "name.surname@SERVERNAME.com" it again
> returns SERVERNAME/username although i want it to return
> "name.surname".
> I changed the IIS server settings, checked digest authentication and
> tried the other things, too. But makes no difference.
> It is said to originated from Kerberos Authentication...
> If anyone can help me I will be appreciated.
> Thanks for now,
> MK
>

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