exchange 2003 to 2010 transition

Posted on 2012-08-24
Last Modified: 2012-08-24
I've added a 2010 exchange server to an existing 2003 domain environment.  The install of the 2010 exchange is working cleanly and it built the routing connectors to the 2003 server.  All of the accounts on the 2003 show up in the 2010 recipients folder.  

Problem is, mail is stuck in the 2003 exchange queue to forward to the 2010 server.  Routing connector on 2010 for receive connectors has legacy exchange servers and anonymous enabled.

Please help with options, links to other google solutions (I've tried a few).  
I'm thinking it is a receive connector issue on 2010 but I don't know what else to try.

Question by:davebird
    LVL 7

    Accepted Solution

    Check "Exchange Users" as well.

    BTW whats the authentication settings looks like?
    LVL 7

    Expert Comment

    Also try recreating the new RGC..and see the results

    Author Comment

    Exchange users on both default and client are checked.
    Authentication is:
    Transport layer checked, enable domain security is not
    Basic authentication is checked and so is Offer basic
    Exchange server auth. is checked
    Integrated  Windows auth is checked
    Externally secured is not checked

    these are the same on both receive connectors sir.
    LVL 3

    Assisted Solution

    Please confirm if you have SMARTHOST configured on your SMTP Virtual server on Exchange 2003, if so please remove it and see the mail flow is fine or not?

    Help Link:
    LVL 7

    Expert Comment

    Can you telnet from both sides?

    Also i would say create a another RGC - add source/target servers and then see the flow.

    Author Closing Comment

    Issue is resolved.  I'm certain it was the smart host issue and I removed it [for now on outbound].  It could ALSO have been, in addition to, enabling exchange users on the connectors. Please either tell me how to distribute points or if it does it automatically, cool.  
    Thank you both for your quick and intelligent responses.  
    All good now.
    I had already placed a ticket with Microsoft. Saved me $300!!! You persons ROCK!
    LVL 3

    Expert Comment

    nice one..take care

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