Problem

You uninstall SQL Server 2012 and install a new SQL Server 2014 for your development machine. However after the installation of SQL Server 2014 you get an error like below

Could not load file or assembly Microsoft.SqlServer.Management.Sdk.Sfc, Version=11.0.0.0

And you can’t add the data connection on Visual Studio 2013

Cause

This is because you remove the entire installation of SQL server 2012. Visual Studio 2013 need the installation of some of SQL Server 2012 library

Solution

Simply download the latest package of this library to fix the problem

• Microsoft SQL Server System CLR Types
• Microsoft SQL Server 2012 Management Objects
• Microsoft SQL Server 2012 Native Client

You done !