RPC over HTTPS initial setup only issue

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    mdecourcy
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    #143511

    Hi all,

    I have an Exchange 2007 Standard box, all recent updates, with all Outlook 2003 clients connecting via RPC over HTTPS on new PCs fully patched. Everything has always worked fine until about a month ago.

    When I set up a new machine and I’m on the network, everything is fine.

    When I set up a new machine remotely, I can’t connect to the mailbox unless I set up a VPN first. Once I have made the initial conection to the mailbox with Outlook, I can disconnect the VPN and never us it again. Even after subsequent reboots, everything is OK, it’s only the initial connection to the server which is causing the problem….

    Scratching my head here…

    What should I be looking for? Is the timeout period different for initial setup then subsequent connections?

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