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After Exg10 SP3 upgrade, UAG publised OWA is throwing a error, not letting users in.

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  • After Exg10 SP3 upgrade, UAG publised OWA is throwing a error, not letting users in.

    Hi,

    We have an issue with our OWA page. We are currently publishing OWA via UAG.

    We recently upgraded to Exchange 2010 SP3 and then SP3 Rollup7. Since the upgrade, we are keep getting the following error after entering our credentials on the login page. I've tried with every possible browser.

    You do not have permissions to view this folder or page

    Strangely enough, the mobile phones are sending and receiving emails just fine, the phones use the same OWA link, so it's not an authentication issue, the phones login into the UAG servers with no issues. I can see this on the Active Sessions screen on Web Monitor.

    I've attempted to connect to the OWA by bypassing the UAG server, so putting in the local OWA address of one of my Exchange servers, it works... so the OWA page is up and running.

    No error logs get generated on Web Monitor when we receive the permission error, I think this is because it's past authentication, it's on the Exchange layer.

    Any insight would be helpful? I'm assuming something changed on the Exchange side after the upgrade.

    Just in case, I've upgraded the UAG and TMG servers to the latest SP and
    Rollup packets.

    UAG > SP4
    TMG > SP2 Rollup 5
    Last edited by cengiz; 18th October 2014, 11:30.

  • #2
    Re: After Exg10 SP3 upgrade, UAG publised OWA is throwing a error, not letting users

    I've found a solution; UAG requires Basic Authentication over OWA. For some reason Integrated Windows Authentication got turned on after the SP3 upgrade.

    http://technet.microsoft.com/en-us/l.../ee921443.aspx

    Turning Integrated Windows Authentication off via the Client Access OWA settings resolved the issue. Though beware, you have do this on all your Client Access servers.

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