After upgrading my AD/DC from 2003 to 2012 R2, will my exchange 2007 and outlook 2007 clients still work

I am upgrading my Domain Controllers to 2012 R2 in a couple of days.


My concern is whether I need to prep my Exchange environment in any way before the domain controller upgrade to ensure we are still able to send and receive e-mails even after the upgrade.
Gospodi
Gospodin RasputinIT ManagerAsked:
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Cliff GaliherCommented:
Yes, that is supported. But you cannot raise your forest functional level up to 2012 R2.

https://technet.microsoft.com/en-us/library/ff728623(v=exchg.150).aspx
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Prashant ShrivastavaConsultantCommented:
Yes they are all supported as long as you do not raise the forest to Windows 2012 native. Also make sure all your clients are Windows 7 and above as Windows xp doesn't work with 2012 domain controllers.
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