Exchange 2007 deployment in another AD site
Currently, we are running Exchange 2007 with 2 CAS, 2 HUBS, and a SCC Mialbox servers in our US corporate office(1000 users). We have several remote international sites ranging from about 30 users to about 300 for email access. All these remotes sites have been configured in our AD sites and services and our WAN connectivity from our corporate office is roughly around 1.5 to 2... mbps to these international sites. Problem is that our biggest site in Europe(about 300 users) have for years been complaining about slow email access(sending/receiving) and only now that we have enough resource that we can implement a local Exchange 2007 at this site. From what I've read so far, I will have to have at a minimum at this International Europe site: 1 CAS, 1 HUB, 2 Mailbox servers (still trying to decide if SCC or CCR due to a limitation on the SAN). So my questions are as follows: ---how would this new implememtation affect our current email routing, as for OWA and activesync I assume we would want the Europe users to start connecting to the local CAS? ---from managing these new Exchange servers, I would assume it would all show up when I open up the Exchange management console in adddition to the existing Exchange servers.
June 10th, 2011 7:08pm

This will not affect anything at all as you are going to implement 2007 only not 2010. After the installation when you open EMC you will see the new server and the database. Do you have any concern?Gulab | MCITP: Exchange 2010-2007 | Skype: Gulab.Mallah | Blog: www.ExchangeRanger.Blogspot.com
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June 10th, 2011 7:57pm

My main concern is not to disrupt any mail flow for our Existing Exchange 2007. Also, how would OWA/Activesync work for the new Exchange 2007 work from our International users? I would assume that we would have to create a new dns to point to the local CAS and the users over there would connect to instead of coming all the way to the US's CAS server which is what they're doing now. How will the existing CAS and the new CAS work together? Is Exchange 2007 smart enough to respond to a user based on IP, AD site and direct those users to the local CAS server? Am I making this more complex than it is? thanks for the quick response,
June 10th, 2011 10:50pm

1. Mail flow wont be distrupted but a few things to consider. Assuming you have a local internet connection, may be a good idea to create another send connector so that mail goes out locally rather than acorss the wan through US. 2. If you only have one external namespace published exch will proxy/redirect the connection for a europe user to the europe CAS. As this is your primary internet facing site. 3. You can create a regional internet facing CAS server, similar to what you have for the US, so that the Europe users use this OWA/Activesync so thet connect locally rather than going acorss the WAN. Some info below http://technet.microsoft.com/en-us/library/bb310763(EXCHG.80).aspx http://technet.microsoft.com/en-us/library/bb885052(EXCHG.80).aspx http://blogs.technet.com/b/exchange/archive/2007/10/12/3404136.aspxSukh
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June 10th, 2011 11:59pm

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