exchange 2010 SP3 question can I change the IP on a CAS server ( non array) to a new IP?

If I change the IP of a Exchange Client access server to a new IP will it break anything , any thoughts ??

we have an old CAS server and have built out a new CAS server and don't want to change any firewall rules for active synch and webmail

we want to give the new CAS server the old CAS server IP address.

we know we have to change the Data BAses to point to the new CAS server name, but what else can go wrong?

THANKS !!!!!!!!!!!!!
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once we change the IP and DNS records, the exchange auto discovery service should be able to locate the new cas server.  I don't foresee any issues.  if at all we experience any issues, those should be configurable ones.

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NAMEWITHELD12Author Commented:
Everything went great, changed the DNS entries for the old CAS to point to the new CAS.  Only thing, we had to open a Microsoft ticket b/c the non-internet facing CAS wasn't correctly receiving cross-site referrals for ActiveSync.  They had to delete the non internet facing side CAS from ADSI Edit.  After that, all was well.
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