Re: Avoiding NTLM challenge prompts

From: Matjaz Ladava (matjaz_at__nospam_ladava.com)
Date: 06/26/03


Date: Thu, 26 Jun 2003 11:15:30 +0200


See http://support.microsoft.com/default.aspx?scid=kb;EN-US;283201 on how to
enable delegation on specific account.

-- 
Regards
Matjaz Ladava, MCSE (NT4 & 2000)
matjaz@ladava.com
http://ladava.com
"fooshen" <fooshen2000@yahoo.com> wrote in message
news:449b9655.0306250224.397fc274@posting.google.com...
> Hi,
>
> I'm having trouble with multiple NTLM login prompts with my
> applications.
> Let me explain the situation:
>
> I have an asp.net application, hosted in WebServer1, with only Windows
> Authentication selected in IIS for the application. A page in the
> application has an iframe to another asp.net application, hosted in
> WebServer2.
>
> Both applications has <authentication mode="Windows" /> set in
> Web.Config, and both servers are in the same Windows 2000 Domain.
>
> When a user logs in to a client machine (win2k pro) using a local
> login (not domain login), whenever the page is accessed, there will be
> two prompts for password (first from WebServer1, and next from
> WebServer2 because the iframe is accessing a page in WebServer2).
>
> Is it possible, to bypass the second prompt? If the user has
> identified him/herself in the first challenge, can I pass the
> credential to the second server?  I am looking at Kerberos Delegation
> and also using NetworkCredential class, though I am not clear what I
> should do about it. Any help and pointers is very much appreciated!
> Thanks in advance,
>
> -fooshen.