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Setting up OWA for new Exchange 2007

Posted on 2008-10-21
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Last Modified: 2012-08-13
Hi,

I've just installed Exchange 2007 on an existing Exchange 2003 environment. There is also an existing OWA 2003. I'm trying to setup OWA on the 2007 server but am having a bit of trouble. I want users to use the same address as before (http://email.domain.com) to reach it. What do I need to do? I set the External URL in the Client Access properties for OWA 2007 but it's still reaching the old OWA. I have also change my DNS record. Is there something else I need to do? Help a newbie out. Thanks in advanced!

-D
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Question by:draylan
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Bertling earned 250 total points
ID: 22770908
ok. as soon as you install a client access server role in excahnge 2007 you will use this servet to connect to users on the older 2003 exchange server and the new 2007 mailbox server

first you need to install the client access server as you have done. Install any SSL certs if you have any.

on the firewall change the NAT rule to point to the new 2007 client access server or port forward to this server.

you dont need to change any thing in the internal DNS or the external DNS

you just need a dns name that points to the external ip address of the client access server.

no lets say your external dns name is owa.externaldomain.com

if you still have users on the old exchange 2003 server you would ask them to access their mailbox using this link: https://owa.externaldomain.com/exchange
This will open their mailbox on the 2003 exchange server and they will see OWA like they did in 2003

for all the users who have already been moved over to the new 2007 exchange server you would advise them to use https://owa.externaldomain.com/owa
Now this will let them open their mailboxes on the 2007 exchange server and view the new version of owa which looks like outlook 2007.

the old exchange 2003 OWA server is no longerneeded.

you objective once this is working is to move as many users as you can to the new 2007 exchange server then advise the users to use the /OWA link instead of the /exchange link.

once this is done from then on they will use /owa and all will work fine
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by:draylan
ID: 31508478
Great response! Got it to work perfectly. Much appreciated!
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