>Really, no reason to have both.
>
>Our migration was not an upgrade. We're moving to new servers also. Process is backup, copy .bak, restore. Works great.
>
>>I didn't remove SQL Server 2012 installation. I currently have SQL Server 2012 Developer and SQL 2014 Standard installed.

Right. I am talking about my local environment. I installed SQL Server 2014 on Friday once our Network Admin announced it's available. I decided to keep SQL 2012 for the time being. I may uninstall it later in the future.