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How do you do....it? Thread, Domain transitions and exchange in Technical; We have two domain forests. Old_domain and new_domain Old_domain has exchange on with everyones exchange account tied to their old_domain ...
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    Domain transitions and exchange

    We have two domain forests.

    Old_domain and new_domain

    Old_domain has exchange on with everyones exchange account tied to their old_domain account.

    New_domain wont be in full swing till next year, however some users (essentially 'admin') can be moved now, but they still need an old_domain account for email.

    Edited long description of what boils down to: Pointers on sharing SMTP namespace (our school email) between 2 exchange orgs?
    Last edited by Theblacksheep; 10th November 2009 at 09:42 PM.

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    Could you provide more details of Windows Server OS and Exchange versions for both old and new domain.

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    Quote Originally Posted by djm968 View Post
    Could you provide more details of Windows Server OS and Exchange versions for both old and new domain.
    Hi djm968,

    Thanks for the reply.

    Its from Server03-with-Exch03 to Server08-with-Exch07 (although Server08r2 with EXCH2010 is preferable now - not worried about fixed mailbox upgrade path through exch07sp2). Exchange 2003 currently receives mail from above.

    From what i've read I need to make Exch03 non-authorative for the SMTP namespace, by creating a local name space and making that the authorative namespace. Then unticking the authorative on the one I want to share. Then when mail comes in it'll forward onto another server if it doesnt find the address in AD.

    I'm not worried about the old exchange box still receiving mail and forwarding to the new domain, the new exchange server can be the main receiver when the rest move over in the summer.
    Last edited by Theblacksheep; 13th November 2009 at 04:04 PM.



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