Updateing Exchange 2013 CU10 to 13 with DAG (Full Version)

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Haas007 -> Updateing Exchange 2013 CU10 to 13 with DAG (8.Aug.2016 10:09:36 AM)

Hello,

I would like a little more information regarding another post, "DAG Server Maintenance - Applying updates and rebooting". We are in a simular situation and I am also new to Exchange 2013.
We have one AD domain running 2012 R2 servers. We have one Exchange 2013 Cu 10 server running as the main Exchange server at our primary site. We have a brand new Exchange 2013 Cu 10 server running at our DR site (DAG). I'd like to update both servers to Cu13. We have 6 mailbox DB's. I have the ok to bring both servers offline if need be after hours.
I found a few articles on the net including the article mentioned above, I still need a little more insight. Is there another method to updating the CU's without failing everything over? Is it possible to bring bother servers offline and update them both?




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