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Two Exchange servers, one domain

Posted on 2013-05-16
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Last Modified: 2013-05-22
Hi!
We have used a single Exchange 2010 server on our hosting domain for some years.  Now we like to add a new Exchange server to the same domain. The reasons for this is that the existing server is installed on a domain controller and got limited amount of disk space.
The second reason is that we want to use a new server certificate and IP address for internet access when we create new mailboxes for new customers.
If it’s possible, we want to use both Exchange servers at the same time with different stores and gateway and move all stores to the new server later. In the end the existing server only will be a domain server. Is there any issues with this setup? I suppose this is the same scenario as when you migrate from 2003 to 2010. The different is that both servers will communicate out on the internet and not only forward mail from one server to the other.
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Question by:elit2007
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6 Comments
 
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by:Simon Butler (Sembee)
Simon Butler (Sembee) earned 500 total points
ID: 39171240
Both servers going to the internet directly isn't an issue. Internal email will flow between them.

You will need Send Connectors for both servers, but that is about all. Just ensure the DNS is configured correctly both internally and externally.

If you don't already, configure an RPC CAS array and start updating clients. If you don't, then you will have problems getting the clients to the new server after migration.

Simon.
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by:elit2007
ID: 39172786
Great, but i'm not sure about the RPC CAS array. Where can i check these settings?
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by:Simon Butler (Sembee)
ID: 39174521
get-clientaccessarray
If it comes back blank you don't have one.
Although if you haven't configured one, as it isn't set by default, then you probably don't have one.

Simon.
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by:elit2007
ID: 39181873
I have now installed the second server and everything is working except the send connector.
I have created a send connector for the new server, but still it's using the send connector that belongs to the old server. I think maybe the problem is that the old send connector has a "*" for Address Space. Maybe I have to define all e-mail domains instead of using "*"?
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Simon Butler (Sembee) earned 500 total points
ID: 39186985
The Address Space is what the connector uses for sending email - so in most cases it is *.

Send Connectors to not belong to a server, so if you have two connectors then both will be used. You cannot force Exchange to use one or the other.

Simon.
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by:elit2007
ID: 39186991
Okey, thanks for replay :)
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