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Enterprise Software Thread, Outlook Web App 2010 - The server operation timed out. Please try again later in Technical; A large number of our staff have been experiencing the error below (see screenshot) http://i52.tinypic.com/2mc8saa.jpg and http://i55.tinypic.com/28hopl4.jpg for over a ...
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    Outlook Web App 2010 - The server operation timed out. Please try again later

    A large number of our staff have been experiencing the error below (see screenshot)

    http://i52.tinypic.com/2mc8saa.jpg and http://i55.tinypic.com/28hopl4.jpg

    for over a week now and I seem to be getting no where in terms of fixing it. Things i've tried:

    Resetting the OWA VD
    Ensuring clients are up to date with Windows Updates
    Uninstalled Sophos (as a temp measure to see if that is contributing to it)

    I've spotted this error in eventvwr on the CAS server, but not really sure if it's related or not as there are not too many of them.

    Watson report about to be sent for process id: 8716, with parameters: E12, c-RTL-AMD64, 14.01.0218.015, OWA, unknown, unknown, System.InvalidOperationException, 0, unknown.
    ErrorReportingEnabled: True


    Does anybody have any ideas about what might be causing this or any suggestions for troubleshooting?

    We are using Exchange 2010 SP1 RU3.

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    tarquel's Avatar
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    does the ExBPA tool health check diag give u any clues?

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    No... ExBPA doesn't show anything ovbious...

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    Hi Adam

    Looking at the errors, I firstly just want to confirm, are you having issues with accessing OWA?

    If yes, is OWA published externally? Or only internal?

    Thanks
    Sukh

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    No... I don't have any issues accessing OWA, they only occur when logged in.

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    Once the user is logged in, what actions do they take to pass the errors?
    After the actions taken, do they have access to their mailbox via OWA?
    Do you see any errors on your CAS Server under the Event Logs?
    Are there any errors on the PC where you launch OWA from under the Event Logs?
    If you pick a problematic user, does the issue follow them on every PC they use?
    Does the issue occur only on certain PC's?

    Thanks
    Sukh

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    Quote Originally Posted by sukh View Post
    Once the user is logged in, what actions do they take to pass the errors?
    After the actions taken, do they have access to their mailbox via OWA?
    Do you see any errors on your CAS Server under the Event Logs?
    Are there any errors on the PC where you launch OWA from under the Event Logs?
    If you pick a problematic user, does the issue follow them on every PC they use?
    Does the issue occur only on certain PC's?

    Thanks
    Sukh
    The actions the users take tend to be opening an e-mail in a new windows, running a spell check against an e-mail. Once this happens they generally do still have access to their mailbox.

    There is no ovbious errors on the CAS server and I haven't seen an errors on the client that OWA is being accessed from.

    The problem does seem to follow users and isn't occuring on particular PCs as far as I can tell.

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    If you create a new user with out any windows profile and test OWA on a PC, do you still get the issue?

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    Don't know, not tried that. Do you think it could be profile related?

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    Have you performed an IISrest /noforce on the CAS?
    How many CAS servers do you have?

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    Yes i've done a iisreset /noforce becuase its the final step when resetting the OWA virtual directory. We have 2 CAS servers although at the moment only 1 is used to publish OWA. The intention is to load balance at a later stage.

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    If your second CAS server isn't being used yet, (I dont know the specifics of your deployment), can you point to the 2nd CAS and try that.

    Not sure if you have a DNS Alias for your CAS server OWA URL or not? If you have change this.

    If not, the use set-casmailbox for a specifc user to the 2nd CAS and test.

    Let me know.

    Thanks
    Sukh

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    is this only internal when you see the errors? I had this but later found out it was impero causing it

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    Yep, only internal we are seeing the errors. We use Policy Central Enterprise which would be installed on all the clients having this problem....

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    Have you tried adding the site into the proxy exceptions list in ie and adding it as a trusted site

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