upgrade exchange 2007 to exchange 2013, our new exchange 2013 is 2 mailbox server with DAG, and 2 CAS with NLB, I try to create exchange certificate with my domain CA, I can generate certificate request file ( .csr ) but whe I try to submit on Domain CA server it not work
my exchange server is run windows server 2012 and CA server is windows 2008 r2, and domain functional and forest functional is 2003, please guide me how to complete these task, and when I got .cer file it need to import to all exchange server or not
Thank you for your support