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Outlook Anywhere fails for non domain PCs

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  • Outlook Anywhere fails for non domain PCs

    We have an issue whereby non-domain clients fail to connect when using Outlook Anywhere.

    Previously domain joined clients connect fine.

    I've tried the https://www.testexchangeconnectivity.com/Default.aspx and it connects fine without any issues, from both PCs.

    What am I missing ? and how do I resolve this problem?

  • #2
    Re: Outlook Anywhere fails for non domain PCs

    Are you using NTLM or Basic Authentication -- IIRC you will need Basic
    Tom Jones
    MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
    PhD, MSc, FIAP, MIITT
    IT Trainer / Consultant
    Ossian Ltd
    Scotland

    ** Remember to give credit where credit is due and leave reputation points where appropriate **

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    • #3
      Re: Outlook Anywhere fails for non domain PCs

      Using basic...both on the site and in Outlook 2007

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      • #4
        Re: Outlook Anywhere fails for non domain PCs

        if you used the Exchange remote connectivity analyzer, then i guess you have a DNS / Firewall / Routing issue from within the site...

        have you tired connecting externally ?

        Ilantz

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        • #5
          Re: Outlook Anywhere fails for non domain PCs

          Since non-domain joined clients have no chance to get information form the SCP in AD you have to configure a DNS entry for autodiscover internally.

          What result do you get when checking autoconfiguration with Outlook form the not working clients?

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          • #6
            Re: Outlook Anywhere fails for non domain PCs

            Hello All,

            This is my first post on this Web-Site.

            For Outlook Anywhere to work properly you need to set up Autodiscover & Ceritificate. When you set up Outlook Anywhere on Client which is not in domain, does it ask for Certificate, if it asks you need to install it & add to Trusted Publisher. Under Server COnfiguration, cas server properties, select Outlook Anywhere tab...settings shud be "Basic Authentication" shud be checked & "All secure channel SSL Offloading shud be checked.


            Regards
            Anand S

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            • #7
              Re: Outlook Anywhere fails for non domain PCs

              Originally posted by anandsunka View Post
              Hello All,

              This is my first post on this Web-Site.

              For Outlook Anywhere to work properly you need to set up Autodiscover & Ceritificate. When you set up Outlook Anywhere on Client which is not in domain, does it ask for Certificate, if it asks you need to install it & add to Trusted Publisher. Under Server COnfiguration, cas server properties, select Outlook Anywhere tab...settings shud be "Basic Authentication" shud be checked & "All secure channel SSL Offloading shud be checked.

              Pity about the errors in the first posting.

              If you are getting a certificate prompt then you should replace it with a commercial certificate. Self generated certificates which require installation are NOT supported for use with Outlook ANywhere.

              Any part of secure channel SSL offloading does not and should not be enabled. That tells Exchange that something else is responsible for SSL, which is not the case and actually reduces the security of the Exchange server.

              Simon.
              --
              Simon Butler
              Exchange MVP

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