Exchange 2003 OWA timeout issue

Hello -

Hoepfully this will be a quick one - I have an Exchange 2003 server that we set the PublicClientTimeout and TrustesClientTimeout to 60mins and 90mins respectfully.  However, when we hit OWA via a public PC (over the web), it continues to timeout at 15mins.

This change was done a while ago and the system has been rebooted sveral time since then.

More info - the Exchanger 2003 server is running on Win2K3 STD w\SP2.  OWA is published to web via an ISA 2006 server.  Everything else works fine, just this timeout issue is the problem.

Just for kicks, I did put on the OWA Admin tool and it verified the settings on the OWA timeouts.  Thus I know it is set correctly.  

Anyone have any thoughts as to why it would continue to timeout at 15 mins?

Thanks in advance.

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dasmail2000Asked:
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dasmail2000Connect With a Mentor Author Commented:
Fixed it....On a whim I killed the OWA sites in IIS and let System Manager recreate them.  I checked the registry settings (they were stil fine) and all seems to be working now.

Thanks for you thoughts though.
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Richard SquibbI.T & Services ManagerCommented:
From what i have read the timeout could be coming from ISA 2006 rather the OWA.  Is there a setting you can change in ISA 2006 such as "treat as maximum idle time" on the web listener settings?
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dasmail2000Author Commented:
Thought about that....there is a setting for forms authentication in ISA in the listener on the OWA publishing rule.  I did up that to 60 mins as well and the issue persists.

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aletjollyCommented:
Please find the below article which will help you out: http://www.msexchange.org/tutorials/OWA_Exchange_Server_2003.html
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dasmail2000Author Commented:
Aletjolly - thanks for the thought, but all of that is already done.  I have double checked and rechecked everyting as well.

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