Yes, It is a SQL backend.
My other question then, is that these SEPM's are currently Server2008 R2 and I would like to move to Server 2012 R2. My thought was to stand up two more SEPM's, make sure that I had updated the sylink on all endpoints. Then decomm the older 2008 servers to leave the 2012's in place. Does this sound ok as well?
Thanks
PaulC