Prompted for authentication when accessing a link in OWA (Exchange 2003 SP2) and using IE8 and Vista

We are receiving a prompt for authentication when using IE8 and accessing links in OWA.   If you provide your domain/user id and password you can access the link.  It only prompts once for the session.  After authenticating you can access other links as long as you do not end the session.
IE7 and Vista works fine and IE8 and XP works fine.  The problem happens when using Vista and IE8.  
We are using Exchange 2003 Enterprise server,service pack 2.    
TmakiWITCAsked:
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MesthaCommented:
Sounds like one of the virtual directories has an authentication setting wrong.

Reset the virtual directories:
http://support.microsoft.com/default.aspx?kbid=883380

Simon.
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TmakiWITCAuthor Commented:
I was able to fix the problem without deleting all of the virtual directories.  I beleive your solution would have worked.
The bin folder in the ExchWeb folder had Integrated Windows authentication and Basic authentication checked in its Authentication methods.  I unchecked the Integrated Windows authentication.  We are no longer receiving multiple prompts for authentication when accessing links in OWA.
Thanks


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