You have to add the URL for your OWA box to the "local intranet" site within Internet 
Explore on the client machine in order for it to pass the login info. We have been 
playing with this for both OWA and for restricted access to certain files on our 
website and that seems to be the trick...

Jeff Hague
Network Manager
Randolph-Macon College
Ashland, VA

-----Original Message-----
From: Sharma, Shshank [mailto:[EMAIL PROTECTED]
Sent: Friday, July 18, 2003 6:02 PM
To: Exchange Discussions
Subject: RE: weird logon issue with OWA


I am facing the same problem.  Trying to implement single sign-on. 
Having the user logged in once to an AD domain, the web-app should not
prompt the user again. I have Integrated Windows Authentication (IWA)
enabled, and all others disabled.
On web application invokation, I see the login prompt. 
If I understand correctly, that is not what is supposed to happen.
Any clues on something we are doing wrong ?

> 
> -----Original Message-----
> From: Fyodorov, Andrey [mailto:[EMAIL PROTECTED] 
> Sent: Friday, July 18, 2003 12:11 PM
> To: Exchange Discussions
> 
> Since I am already logged onto the domain, I should not be 
> prompted to log onto the website that runs in the same 
> domain, if the website's security is set to use integrated 
> windows authentication. No?
> 
> -----Original Message-----
> From: Tony Hlabse [mailto:[EMAIL PROTECTED]
> Sent: Friday, July 18, 2003 2:52 PM
> To: Exchange Discussions
> Subject: RE: weird logon issue with OWA
> 
> It's a feature
> 
> 
> From: "Fyodorov, Andrey" <[EMAIL PROTECTED]>
> Reply-To: "Exchange Discussions" <[EMAIL PROTECTED]>
> To: "Exchange Discussions" <[EMAIL PROTECTED]>
> Subject: RE: weird logon issue with OWA
> Date: Fri, 18 Jul 2003 14:45:24 -0400
> 
> I tested from my Win2K Pro desktop. Logged onto windows as the user.
> Started OWA - got prompted.
> 
> 
> -----Original Message-----
> From: Walt Brannon [mailto:[EMAIL PROTECTED]
> Sent: Friday, July 18, 2003 2:36 PM
> To: Exchange Discussions
> Subject: RE: weird logon issue with OWA
> 
> What desktop operating system are your users on?  That could 
> be your clue.
> 
> Walt
> 
>  > -----Original Message-----
>  > From: Fyodorov, Andrey [mailto:[EMAIL PROTECTED]
>  > Posted At: Friday, July 18, 2003 1:15 PM  > Posted To: 
> Exchange Discussion  > Conversation: weird logon issue with 
> OWA  > Subject: weird logon issue with OWA  >  > Hello again. 
> Sorry for asking too many questions today.
>  >
>  > Our Exchange 2000 OWA is set up to use windows integrated  
> > authentication.
>  >
>  > Some users are reporting that when they go to OWA from 
> their PC at work,  > they get prompted to enter their logon 
> credentials.
>  >
>  > We have checked to make sure that their PCs were members 
> of the windows  > domain - they are.
>  >
>  > The users don't have any problems logging onto the domain.
>  >
>  > What could be tripping IE to think that they need to authenticate?
>  >
>  > (we can reproduce this behavior when we log in as them on 
> a different  > PC)  >  >  > 
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