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  • RUS handler question

    Hi, I've 2 DCs (WK3 R2 SP2) in my domain and Exchange 2003 SP 2 hosted in other server. Both DCs are DNS and Global Catalog Server, Exchange DNS setting has pointed to DC01 as primary DNS Server and DC02 as secondary, RUS (Recipient Update Services) has pointed to DC01.
    When DC01 not accessible, an error 8026 and 8260 logged in Exchange system, found this KB http://support.microsoft.com/kb/272552 explain about the issue.
    There are any ways to make the RUS switched to other DC automatically when the first one has been down?

    Please advice.

    Regards,

    Acung

  • #2
    Re: RUS handler question

    I'm not sure that this is the only thing you should look for, check also the Directory Access tab in the ESM - Exchange server's properties and verify that it configured for automatic and not manually selecting one of the DCs
    http://www.msexchange.org/tutorials/...ess-Part1.html
    CNE 5, CCA, MCSE NT4.0-2003, MCSE 2003 messaging, Exchange Server MVP.
    Tzahi Kolber - IT Supervisor
    Polycom Israel.

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    • #3
      Re: RUS handler question

      Hi Kolber, thanks for your feedback.
      It's already set to auto mode (all domain controllers) and automatically discover servers activated also.

      If the error logged only because the DC handling the RUS can not accessible I've no concern because it will became accessible again within few minutes but when that DC (holding FSMO rule as well) down the email traffic freezed also and working well after the server up.

      Just try to find a solution to have it automatically switched to other DC in case the first DC crash (that's the point why we have 2 DCs right? for Active Directory redundancy) Does the Exchange still work if the FSMO holder not accessible even I have other DC in place?

      Any ideas?

      Regards,

      Acung
      Last edited by lzd212; 31st May 2007, 07:03.

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      • #4
        Re: RUS handler question

        I dont think so that there is such a solution provided by Microsoft in which FSMO roles are automatically switched.

        Thanks
        Skak
        ________
        Expatriate Insurance Advice
        Last edited by Skak12; 13th April 2011, 13:28.

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        • #5
          Re: RUS handler question

          Hi Skak...
          I knew if FSMO rule must transfered manually, I'm not asking about it but the relation with Exchange operation. I thought you have misunderstood about my question...

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          • #6
            Re: RUS handler question

            You can only have one domain controller for RUS at a time, and if that domain controller is not available, you have to go and change it manually.
            Exchange hooks on to a specific DC when the server is started and will only go looking for another DC after about 35 minutes. During that time it is unresponsive.

            What you should probably be more concerned with is why a domain controller is unavailable...

            Simon.
            --
            Simon Butler
            Exchange MVP

            Blog: http://blog.sembee.co.uk/
            More Exchange Content: http://exchange.sembee.info/
            Exchange Resources List: http://exbpa.com/
            In the UK? Hire me: http://www.sembee.co.uk/

            Sembee is a registered trademark, used here with permission.

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            • #7
              Re: RUS handler question

              Thanks for the info, at least now I can stop my research about the issue and give a report to my BOSS.....and more focus to prevent the DC became unavailable.

              Just curious, from what you have told me if Exchange will looking for another DC after 35 minutes or more... means afterward it will use other DC to be able working properly, right? One of my question below is "does it will be working well if hooks on the DC which is not holding FSMO rule?"

              Please advice.

              Regards,

              Acung

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              • #8
                Re: RUS handler question

                Exchange doesn't care about the FSMO roles.
                The OS it is installed on may do, but Exchange doesn't. All Exchange is concerned about is the global catalog role which can be held by more than one server anyway.

                Simon.
                --
                Simon Butler
                Exchange MVP

                Blog: http://blog.sembee.co.uk/
                More Exchange Content: http://exchange.sembee.info/
                Exchange Resources List: http://exbpa.com/
                In the UK? Hire me: http://www.sembee.co.uk/

                Sembee is a registered trademark, used here with permission.

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