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Exchange 2003 -> 2010 mail connector issue

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  • Exchange 2003 -> 2010 mail connector issue

    I am trying to get a coexistance running of our existing exchange 2003, to a new exchange 2010. The issue that I am having is that I am unable to receive mail or replicate public folders over to the new exchange 2010. The queue for the 2010 connector is constantly in the retry mode and it is giving me the following message: "The remote server did not respond to a connection attempt." I am able to send mail out to users on the exchange 2003 and the internet, but am unable to receive any mail back. I am able to see all the users on the 2003 server and am able to migrate user's mailboxes over to the new box.

    I have removed the smart host that was set in the smtp virtual server and made it is own connector.

    I have deleted the routing group and recreated it.

    I am able to telnet to the smtp port from my 2003 to my 2010 and vice versa.

    There is no TLS required, and there is no certificate setup on the exchange 2003 box.

    Annonomous connections have been enabled on the 2010 box receive connectors.

    I have fiddled with this all day with no success.

    Any ideas as to how to get 2010 to connect to the 2003 server? Thanks!

  • #2
    Re: Exchange 2003 -> 2010 mail connector issue

    Moved to Exchange 2010 forum for better response
    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: Exchange 2003 -> 2010 mail connector issue

      What are the results if you run Get-RoutingGroupConnector | fl?

      Since you deleted the routing group (which one btw?) your RGC between Exchange 2010 and Exchange 2003 is most probably damaged.

      Maybe it's enough to just recreate the RGCs between the Exchange versions with the actual data.

      Comment


      • #4
        Re: Exchange 2003 -> 2010 mail connector issue

        Are there any smarthost configured?
        gerth

        MCITP sa, ea & va, sysadmin@cydonia.

        Comment


        • #5
          Re: Exchange 2003 -> 2010 mail connector issue

          There is a seperate smart host setup on exchange 2003 as a connector as external mail goes through an external mail filtering company. This has also been setup on the exchange 2010 box as a send connector.

          This is the command that I ran:

          New-RoutingGroupConnector -Name "Exchnage03-2010" -SourceTransportServers "exchange10.domain.local" -TargetTransportServers "exchange1.domain.local" -Cost 10 -Bidirectional $true -PublicFolderReferralsEnabled $true

          Exchange1 is my 2003 exchange box running on server 2003
          Exchange10 is my 2010 exchange box running on Server 2008 R2
          Mars is my domain controller on server 2003

          This is the output from the Get-RoutingGroupConnector
          [PS] C:\Windows\system32>Get-RoutingGroupConnector | fl


          RunspaceId : 1a2cfff8-050f-47b4-b45f-1ab1ca82e1a2
          TargetRoutingGroup : First Routing Group
          Cost : 10
          TargetTransportServers : {EXCHANGE1}
          ExchangeLegacyDN : /o=Company Corporation/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configurat
          ion/cn=Connections/cn=Exchnage03-2010
          PublicFolderReferralsEnabled : True
          SourceRoutingGroup : Exchange Routing Group (DWBGZMFD01QNBJR)
          SourceTransportServers : {EXCHANGE10}
          HomeMTA : Microsoft MTA
          HomeMtaServerId : EXCHANGE10
          MaxMessageSize : unlimited
          AdminDisplayName :
          ExchangeVersion : 0.1 (8.0.535.0)
          Name : Exchnage03-2010
          DistinguishedName : CN=Exchnage03-2010,CN=Connections,CN=Exchange Routing Group (DWBGZMFD01QNBJR),CN=Routing
          Groups,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=E
          choworx Corporation,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=Company,D C=lo
          cal
          Identity : Exchnage03-2010
          Guid : 81aa8c57-1839-4c45-bc4b-4c334b4c15da
          ObjectCategory : domain.local/Configuration/Schema/ms-Exch-Routing-Group-Connector
          ObjectClass : {top, msExchConnector, msExchRoutingGroupConnector}
          WhenChanged : 06/01/2011 2:21:18 PM
          WhenCreated : 06/01/2011 2:21:01 PM
          WhenChangedUTC : 06/01/2011 7:21:18 PM
          WhenCreatedUTC : 06/01/2011 7:21:01 PM
          OrganizationId :
          OriginatingServer : mars.domain.local
          IsValid : True

          RunspaceId : 1a2cfff8-050f-47b4-b45f-1ab1ca82e1a2
          TargetRoutingGroup : Exchange Routing Group (DWBGZMFD01QNBJR)
          Cost : 10
          TargetTransportServers : {EXCHANGE10}
          ExchangeLegacyDN : /o=Company Corporation/ou=First Administrative Group/cn=Configuration/cn=Connections/cn
          =Exchnage03-2010
          PublicFolderReferralsEnabled : True
          SourceRoutingGroup : First Routing Group
          SourceTransportServers : {EXCHANGE1}
          HomeMTA : Microsoft MTA
          HomeMtaServerId : EXCHANGE1
          MaxMessageSize : unlimited
          AdminDisplayName :
          ExchangeVersion : 0.1 (8.0.535.0)
          Name : Exchnage03-2010
          DistinguishedName : CN=Exchnage03-2010,CN=Connections,CN=First Routing Group,CN=Routing Groups,CN=First Admi
          nistrative Group,CN=Administrative Groups,CN=Company Corporation,CN=Microsoft Exchange,
          CN=Services,CN=Configuration,DC=domain,DC=local
          Identity : Exchnage03-2010
          Guid : fe9321be-86aa-4034-affa-45b47acb8ccd
          ObjectCategory : domain.local/Configuration/Schema/ms-Exch-Routing-Group-Connector
          ObjectClass : {top, msExchConnector, msExchRoutingGroupConnector}
          WhenChanged : 06/01/2011 2:21:18 PM
          WhenCreated : 06/01/2011 2:21:01 PM
          WhenChangedUTC : 06/01/2011 7:21:18 PM
          WhenCreatedUTC : 06/01/2011 7:21:01 PM
          OrganizationId :
          OriginatingServer : mars.domain.local
          IsValid : True

          Thanks for any help!

          Comment


          • #6
            Re: Exchange 2003 -> 2010 mail connector issue

            Ok, the RGC looks fine so far, what are the settings on the Receive Connector at your E2010 box where the Exchange 2003 would go to?
            Intresting are the part for "Authentication" and "Permission Groups".

            Just to make sure you have checked if no smart host is set at virtual SMTP server level at E2003?

            Comment


            • #7
              Re: Exchange 2003 -> 2010 mail connector issue

              There are the 2 default receive connectors on exchange 2010

              Default exchange2010
              FQDN = exchange10.domain.local

              Network all available Port 25
              all ips to receive mail

              Authentication
              Had tls both on and off
              Basic Authentication is checked
              Exchange server authentication is checked
              Integrated windows authentication is checked

              Permission Groups
              All but Partners are checked
              ------
              Client exchange2010

              network all available port 587
              all ip receive mail

              Authentication
              Had TLS both on and off
              Basic authentication is checked
              Exhcnage server authenciation is checked
              Integrated windows authentication is checked

              Permission groups
              Only exchange Users is checked

              There is no smart host set on the virtual smtp server on exchange 2003. There was one orignally, but I removed it and remade it as a connector when I installed ex2010.

              Comment


              • #8
                Re: Exchange 2003 -> 2010 mail connector issue

                Hmm, I'm running out of ideas, can you try to create a new receive connector, use the following settings:

                - Give it a unique FQDN so you know once you connect using this receive connector
                - activate verbose logging
                - Network Remote IP settings: use the IP of the E2k3 Box
                - Authentication: Integrated Windows
                - Permisson Groups: Anomymous, Exchange Servers and Legacy Exchange Servers (make sure the E2k3 box is a member of the Exchange Servers and ExchangeLegacyInterop groups)

                Comment


                • #9
                  Re: Exchange 2003 -> 2010 mail connector issue

                  I tried what you suggested with no success. There are no logs created. It seems like the receive connector is not even being contacted at all by exchange 2003.

                  Just to recap, exchange 2010 can send emails to the internet and to users on 2003. 2003 is not forwarding received mail from the internet or other 2003 users to 2010. The queue for the routing group is staying in the retry state, with the additional information of "The remote server did not respond to a connection attempt."

                  I tried telneting to exchange 2010 from my exchange 2003 box and am able to connect. I was able to manually make a email via telnet to reached a test account on the 2010 box.

                  Comment


                  • #10
                    Re: Exchange 2003 -> 2010 mail connector issue

                    Issue has resolved itself. Not sure exactly what I did, but after days of fiddling with things it now works. Thanks for all the suggestions.

                    Comment

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