Does ConfigMgr 2012 support SQL 2014?
Before, as an upgrade only. Now we support using SQL 2014 at install time - good news if you have been waiting for this change in support. More info here: https://blogs.technet.com/b/configmgrteam/archive/2015/03/30/updated-sc2012-configmgr-sp1-and-sc2012r2-configmgr-support-sql-server-2014.aspx