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2007-2013 Migration - Stuck incoming mail

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  • 2007-2013 Migration - Stuck incoming mail

    Hi Guys

    Setup :

    1 DC running DNS
    1 Exchange 2007
    1 Exchange 2013


    I've just finished installing e2k13 on our existing 2007 server. From the start everything went well. I'm able to see both servers from under ECP and the mailboxes are all listed corectly. Receive connectors are all there and send connector is configured properly.

    My issue is that when I ported over one mailbox to test, I can only send emails from that account but cannot receive external or internal emails. When I send a test email from outside (or inside), the message just gets held in the Ex2007's queue with the "ready status".

    Further investigation lead me to find out that the error message for the queue is : SMTPSEND.DNS.NonExistentDomain . I'm stumped on this one. I've made sure DNS is configured right. What could be causing this?

    I appreciate any suggestions.

  • #2
    Re: 2007-2013 Migration - Stuck incoming mail

    Can the Exchange 2007 server telnet to port 25 of the Exchange 2013 server and get a response?

    Do it by IP address and FQDN.

    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.

    Comment


    • #3
      Re: 2007-2013 Migration - Stuck incoming mail

      Thanks Simon

      I can't remember how many times your contributions in other posts helped me out.

      Telnet works great with either IP and FQDN, message was delivered to inbox. However, if I send from a normal email client it just sits in the exchange2007 queue. This is only happening for the mailboxes that has been moved to the e2k13. Other mailboxes on the old box functions normally.

      It seems to me that ex2007 doesn't know how to route the incoming email since the mailbox has been moved to e2k13.

      Comment


      • #4
        Re: 2007-2013 Migration - Stuck incoming mail

        Check there are not restrictions on the Connectors.
        Ensure that DNS is configured correctly on the server. Internal DNS only - no external DNS shoudl be configured anywhere in Exchange or Windows.

        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.

        Comment


        • #5
          Re: 2007-2013 Migration - Stuck incoming mail

          I recently had a recent issue and I ended up allowing the IP of the other Exchange server to relay through the receive connector.

          Comment


          • #6
            Re: 2007-2013 Migration - Stuck incoming mail

            Originally posted by Sembee View Post
            Check there are not restrictions on the Connectors.
            Ensure that DNS is configured correctly on the server. Internal DNS only - no external DNS shoudl be configured anywhere in Exchange or Windows.

            Simon.
            Both exchange point to a single DNS server on the AD. They can both see each other through Nslookup. I've got a single send connector "Internet" and the E2K13 is listed there as a source server.

            Virtual. Could you please let me know which receive connector you worked with? How do I go about and try this?

            Thanks guys. Exchange is not really my forte.

            Comment


            • #7
              Re: 2007-2013 Migration - Stuck incoming mail

              It's Working! You were right Simon. The DNS was the issue after all.

              I did two things and the queue cleared

              - I had another DNS server configured as a secondary server. There were no A record in those so I removed them.
              - I ran Exchange Best Practice Analyzer and it says that it couldn't find an A record for my exchange 2007 on the DNS server ?? So I manually created one.

              Thanks a bunch for the suggestions guys!

              Comment

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