FAQ: Does ArcGIS 10.1 support SQL Server 2012?
Does ArcGIS 10.1 support SQL Server 2012?
ArcGIS 10.1 supports SQL Server 2012 Express, Standard, and Enterprise editions. ArcGIS 10.1 leverages the same SQL Server capabilities that it does for SQL Server 2008 R2. Support for some additional SQL Server 2012 features will appear in later releases of ArcGIS.