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Second Exchange 2003 server in AD sub-domain

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  • Second Exchange 2003 server in AD sub-domain

    Hi,

    We currently have an AD forest with one sub-domain in addition to the forest level domain. In the forest level domain we have an Excahnge 2003 server that looks after our primary email domain (let's call it abc.co.uk and the AD domain abc.local).

    We wish to setup a second Exchange server in the AD sub-domain (xyz.abc.local) and make it responsible for a new email subdomain of xyz.abc.co.uk but are having a great deal of trouble finding any clear instructions for doing this.

    We mostly have it done now with a separate external mx record for xyz.abc.co.uk pointing to a different IP address in our external range from the mx record for abc.co.uk and we can send and receive external emails (though to get this far we had to overcome some hurdles). We can't, though, send emails to recipients in abc.co.uk from xyz.abc.co.uk and we get NDR's back stating that (where ABC-MX-S1 is the name of the Exchange server in the subdomain xyz.abc.local)...

    Your message did not reach some or all of the intended recipients.

    Subject:
    Sent: 08/06/2009 10:14

    The following recipient(s) could not be reached:

    Administrator on 08/06/2009 10:14
    A configuration error in the recipient's e-mail system prevented delivery of this message. Two recipients are configured with the same e-mail address. Contact your administrator.
    <ABC-MX-S1.xyz.abc.local #5.1.4>

    Any help would be appreciated, even if someone could just point us at a white paper on setting up a second Excahnge server in an AD subdomain.


    Thanks,
    Creagh

  • #2
    Re: Second Exchange 2003 server in AD sub-domain

    What email addresses do your administrator accounts both have?
    cheers
    Andy

    Please read this before you post:


    Quis custodiet ipsos custodes?

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    • #3
      Re: Second Exchange 2003 server in AD sub-domain

      Hi,

      The xyz.abc.local administrator had no mailbox and the abc.local administrator has the address [email protected] (we took off the xyz.abc address manually). That being said, we have tested sending emails to other users in the abc.local domain with the same result. We do have two separate Recipient Policies setup within Exchange for each domain and as such users in abc.local do, by default, inherit an xyz.abc.co.uk address and I would not be suprised if this is not the correct config and is causing the problem but as mentioned, we can't find a white paper or anything to tell us how to go about the correct way. And yes, we tried removing the xyz.abc address from the users we sent test emails to and took off the tick to inherit.


      Cheers,
      Creagh

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