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Final push from Exchange 2003 to 2010

Hi All

Not sure if this is possible, but here goes :-

Our old Exchange 2003 has been running alongside our new Exchange 2010 for a while now, and all 2003 mailboxes, stores and Public Foldes are now dead.

We have :-

1 x Exchange 2003
1 x Exchange 2010 CAS
2 x Exchange 2010 MB and HUB and DAG

In order to switch over completely, we need to make sure all traffic is on 2010. Is there a utility which can monitor traffic between 2003 and 2010, thus telling us if we can kill 2003 ?

I know that 2003 will need to come out of AD etc etc once it is down, but what is the best way to check what is still using 2003 so we can redirect/move/kill.

Can we simply redirect any 2003 traffic to the DAG or CAS ?

Thank you
ExchangeWindows Server 2008Windows Server 2003

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DoveSupport

8/22/2022 - Mon
SOLUTION
Rajkumar Duraisamy

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ASKER
Hi, thanks for the info - most of which we've been doing along the way. Our problem is that we have many Unix-based servers which may have had the 2003 hostname, or IP, hard-coded into their configs.
While we could down 2003 and add a cname into DNS, to point to the 2010 server, we still need to track traffic between the 2003 and 2010 boxes as well as see what is trying to send to the 2003 box once it is down.
For this reason, what tools are best for seeing inter-server traffic, as well as what is trying to get to the 2003 IP ?
Also, again, can we simply redirect mail to the DAG hostname, or should we use the CAS ?
ASKER CERTIFIED SOLUTION
Jamie McKillop

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ASKER
Thank you for both of your answers. Very useful info which will be used.
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