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SBS 2008 owa Migration

Here is my scenario:  Single domain network with around 75 users running on SBS 2008 r2.  The users access their email through smartphones and connect to remote.mydomain.com for authentication.  We recently installed an Exchange 2010 server and so far have only moved mailboxes of a couple IT accounts which so far cannot access OWA because it hasn’t been configured yet.  I’ve imported the wildcard SSL from the SBS box to the new 2010 server without too much trouble.  What I would like to do is migrate everyone’s mailboxes over without having to reconfigure each user’s phones in the process.  Is there a way to continue to use “remote.mydomain.com” as the OWA site on the new exchange 2010 server?  And if so, will it have to be configured on the new server or will a simple http redirect work?  I have some exchange experience, but very little with IIS.  Thank you for being patient with me!
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expectit
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expectit
2 Solutions
 
mlongohCommented:
I'm assuming that you have a firewall that is NATing the public IP for remote.mydomain.com to the inside address of your Exchange server (or front-end server offering up OWA).

If the cert get's installed without issue, and you get OWA up and running internally (meaning you can get OWA to work from a browser on a PC located on the inside network), you should be able to configure the new OWA server to respond to requests to remote.mydomain.com and re-configure the NAT on the firewall to the inside IP of the new OWA/Exchange server.

In fact, you should be able to test it all internally to make sure that it works before making the firewall change.
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expectitAuthor Commented:
I think I may have been unclear.  The original sbs 2008/exchange 2007 server is in-house and the firewall is redirecting port 80 traffic to it.  The new exchange 2010 server is in our data center about 50 miles away.  What I'd like to do is have both exchange servers point to the same OWA site during the transition period.  How do I set up the new exchange server to accept connections from the original OWA site?  Or do I need to somehow configure the original OWA site to reference the mailbox database on both servers?
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Since you are probably growing beyond SBS 2008's 75 user limit, I suspect that you may also be migrating away from your SBS 2008 as well?

If so, here is a very good article about how to migrate from SBS 2003 to standalone servers, most of it applies the same:
http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2881-Migrate-Small-Business-Server-2003-to-Exchange-2010-and-Windows-2008-R2.html

In the mean time, you can just pull out the Exchange portions of the article to get what you need done for OWA.

Jeff
TechSoEasy
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