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exchange 2007 hub/cas migration

I need to migrate my exchange 2007 sp2 hub/cas server off of a dell blade that's out of support to a virtual machine in xenserver.
I'm considering doing the setup.exe /m:recoverserver recovery but wanted advice whether this would be the best way or should I add an additional hub/cas server and move all transport settings to the new hub/cas and retire the old hub/cas on unsupported hardware.
I see alot of posts on issues of using the setup.exe /m: recoverserver procedure. Not sure if everything was fixed with exchange 2007 sp2?
Any advice would be appreciated.
1 Solution

>> I'm considering doing the setup.exe /m:recoverserver recovery

My advice: don't. While that is a supported method, it's really only appropriate for recovering an Exchange Server with its original role configuration if one dies. You'd use that perhaps if recovering a mailbox server, or if you have a "phantom" server still listed in Active Directory, because the MS recommendation to remove references to stale Exchange Servers that weren't removed properly is now to /m:recoverserver them, then uninstall Exchange again to properly remove all references to it.

With the old and new servers online, the preferred option is to build the new one alongside with a new name, then transition mail delivery, client access and such across to it. This means everything stays online while you build the new server, rather than taking boxes and Exchange out of service while you make the transition. Most of your global settings should come across from AD when you make your changes, and you might just need to tweak a few things, such as:

the web-based distribution VDirs for the OAB
the source server list for your send connector(s)
permissions on the new receive connectors so it accepts anonymous email (depending on how mail is delivered - if you have an Edge or some other system handling inbound delivery, this might not be necessary)

dcs-userAuthor Commented:
thanks Matt. I was alittle nervous on trying the /recoverserver method. Adding the second hub/cas server and transitioning is the way I'll go
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