Transitioning from EX07 to EX10

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    Ron R.

    Hi Guys,

    I’m planning to introduce an Exchange 2010 into my domain, which currently has a single Exchange 2007 SP3 server. All mail traffic is routed via a filtering smarthost in the DMZ. Also, OWA/OutlookAnywhere/ActiveSync are published with an ISA 2006 server in the DMZ.

    I have read a lot about transitioning, but still have a few unanswered questions…

    1. After I finish the Exchange installation, but before I move any mailboxes over to the new Exchange box – do I need to change anything in the smarthost/ISA configuration? or while there are no mailboxes on the server there is no point to direct SMTP/HTTPS traffic through it?
    2. Can you explain about the Hostnames and certificates issues? currently, my Exchange 2007 has a single A record in the DNS, and a simple webserver certificate from my local CA. The ISA server in the DMZ has a commercial, trusted certificate, and is also configured to trust my local CA. Which new Hostnames (for both Exchange 2007 and 2010) do I need to create? Which certificates? Is there a guide on how to issue them with a local CA?

    Thanks for your help…

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