Exchange 2013 migration/coexistence questions

Hi,

I currently am working on an Exchange 2013 migration from 2010.

2010 environment:
2 sites (1 mailbox server, 1 cas/hub on each site)
DAG
NO CAS ARRAY
Virtual

I want to add Exchange 2013 to the domain and eventually migrate users.
Is there anything I should be aware of going from No CAS Array (2010) to CAS array (2013).

Right now the outlook clients are pointing to a single cas/hub server instead of an array.  I take it I'll need to use group policy to repoint them all to the new CAS array?  Is that right?
billFmurrayAsked:
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Simon Butler (Sembee)ConsultantCommented:
There is no CAS Array in Exchange 2013.
Each user has a unique end point. Therefore as long as Autodiscover is working correctly you shouldn't have to touch the clients at all.

Simon.
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