You need to use split DNS. You can find huge amounts of guidance on de interwebbers by searching on "exchange split dns".
From: [email protected] [mailto:[email protected]] On Behalf Of Robert Peterson Sent: Friday, September 26, 2014 4:59 PM To: '[email protected]' Subject: [Exchange] Exchange 2010, Certs & .local I have an Exchange 2010 SP3 environment running on Hyper-V guests (2008R2 Datacenter servers) with high-availability setup in a DAG. * 4 mailbox servers (1 MB server has CAS role for 0365 Public Folder access) * 4 CAS/Hub servers Our internal domain is ".local". Not being able to renew certs for .local , do I need to rename my domain, or am I seeing references to working through this with DNS entries? If anyone can point me to clear resources on what steps I need to take, I would be most grateful. Thanks, Robert
