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Cannot open "https://contoso.com/owa" externally-Exchange 2010

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  • Cannot open "https://contoso.com/owa" externally-Exchange 2010

    Hi Guys,

    I'm badly need assistance. I have just installed my new exchange server and everything seems to be working OK. But I cannot open OWA with name but with IP address from outside, no problem.

    what configuration can I missing?

    Please your help is appreciated.

  • #2
    Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

    It sounds as if external DNS is not correct -- does contoso.com resolve to the correct IP?
    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 **

    Comment


    • #3
      Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

      actually naurutest.gov.nr, please find dns check ,mx & DNS Lookup test result which I ran on mxtoolbox:

      a:naurutest.gov.nr Find Monitors




      Type Domain Name IP Address TTL A naurutest.gov.nr 203.98.227.15 11 hrs
      dns checkmx lookupwhois lookupspf lookup
      MX LOOKUP RESULT:

      mx:naurutest.gov.nr mx

      1

      Pref Hostname IP Address TTL
      10 naurutest.gov.nr 203.98.227.15 11 hrs

      DNS CHECK RESULTS

      mx:naurutest.gov.nr Find Monitors mx


      Pref Hostname IP Address TTL
      10 naurutest.gov.nr 203.98.227.15 11 hrs Blacklist Check SMTP Test

      Comment


      • #4
        Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

        And is this the correct IP address?
        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 **

        Comment


        • #5
          Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

          So are you using https://Hostname.contoso.com/owa? What's the configured Internal and External URL on the OWA configuration within Exchange itself?

          Comment


          • #6
            Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

            external:https://mail.naurutest.gov.nr/owa
            internal:https://govexch.naoero.local/owa

            Comment


            • #7
              Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

              When I go to the external link, I first get a certificate error, then am redirected to "website-unavailable (dot) com" which appears to be part of openDNS

              Pinging the (mail.naurutest.gov.nr) address gives an IP of 67.215.65.132 which is NOT the same as your MX record IP you give below

              Again, I suggest you check your external DNS records for the mail subdomain (NOT the MX records)
              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 **

              Comment


              • #8
                Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

                sorry, what do you mean by "SUB DOMAIN"?

                can you explain the configurations that I need to append with my external DNS inorder to accesss "mail.naurutest.gov.nr via url from he internet?

                thanks

                Comment


                • #9
                  Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

                  you need to make either an A-NAME or a C-NAME record that points mail.naurutest.gov.nr to the relevant IP address.

                  the MX record only tells it where to deliver mail

                  Youp've created an MX record:
                  naurutest.gov.nr MX preference = 10, mail exchanger = naurutest.gov.nr

                  Which is correct.
                  There is an A-NAME record for naurutest.gov.nr which is as follows:

                  > set q=a
                  > naurutest.gov.nr
                  Server: google-public-dns-a.google.com
                  Address: 8.8.8.8

                  Non-authoritative answer:
                  Name: naurutest.gov.nr
                  Address: 203.98.227.15


                  So things now how to resolve "naurutest.gov.au" to deliver mail there.

                  But you need someone like me to be able to find an IP Address for "mail.naurutest.gov.au" (because this is the configured hostname for exchange OWA)

                  This record doesn't currently exist

                  So you need to speak to your current DNS registry, and ask them to create an A-NAME record and point it to the correct IP Address
                  Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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                  • #10
                    Re: Cannot open "https://contoso.com/owa" externally-Exchange 2010

                    Thanks a lot mate will try this and will let you know.

                    my gratitude!

                    Comment

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