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How do I disable Outlook Web Access autologon?

Posted on 2009-06-30
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Last Modified: 2012-05-07
I have a user that is tying to view his email via webmail on another user's PC without having the other user logoff. The problem is when he goes to webmail it automatically opens the user's mail in webmail who is logged onto the computer.
When he clicks logoff it only gives the option to close the IE window.  I tried getting around this for him by having him change the url from:

https://webmail.umamer.lendlease.com/owa/auth/logoff.aspx?Cmd=logoff
to
https://webmail.umamer.lendlease.com/owa/auth/logon.aspx?

That url brought up the logon screen but even when he entered in his credetials with domain\username and his password it still opened up the mail of the user that was currently logged onto the computer.

Is IE caching the logon credentials? Is there a certain amoutn of time I need to wait after logging of OWA before logging in with a different account?
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Question by:cyberleo2000
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by:shadowlesss
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In IIS, Default Website > Right click owa > Properties > Directory Security > Click Auth & Access Control Edit button

What options do you have checked?
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by:cyberleo2000
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On the client access servers?
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by:shadowlesss
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Yes
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by:Saakar
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hi,

I guess this should help with regards to your query for timeout on Public Computers

http://support.microsoft.com/kb/830827

- Saakar
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ylandrum earned 500 total points
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Check the internet settings in IE. If OWA is listed in Trusted Sites then IE passes the current user's credentials to the server. Take the OWA site out of Trusted Sites to stop this behavior.
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by:Mestha
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Turn on Forms Based authentication. That way they will always get a prompt to login. At the moment pass through authentication is doing its thing. No need to touch the clients if you enable FBA.

Simon.
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by:cyberleo2000
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I will look into the PC's IE settings. I'll double-check forms based auth. as well, but I don't think that's it because it only happens to some users, not everyone. Thank you for all the comments, thus far.
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