title: LocalDB not recognized in Visual Studio 2015
body: <p>I'm trying to create a database-first ASP.NET MVC app with Entity Framework in Visual Studio.</p>
  
  <p>Starting with a blank project template, I open up the Server Explorer and try to add a data connection. I use Microsoft SQL Server as the Data Source, and "(localdb)\v11.0" as the Server Name. This gives me the error: </p>
  
  <blockquote>
    <p>"The Data Source value in the connection string specifies an instance
    of SQL server that is not installed. To resolve the issue, either
    choose to install the matching instance of SQL Server or modify the
    Data Source value in the connection string."</p>
  </blockquote>
  
  <p>The tutorial I'm following (and a few other places I've googled) mentions that localdb is installed with Visual Studio. Either way, I have also installed LocalDB found <a href="https://profile.microsoft.com/RegSysProfileCenter/wizard.aspx?wizid=932d09f6-e2d4-429d-bd3e-834adabc4f8f&amp;lcid=1033&amp;ci=51" rel="nofollow noreferrer">here</a> but it's not showing up.</p>
  
  <p>I've tried following the directions in <a href="https://stackoverflow.com/questions/21563940/how-to-connect-to-localdb-in-visual-studio-server-explorer">this post</a>, but get the error "Cannot create an automatic instance."</p>
  
  <p>How do I get Visual Studio to connect to LocalDB?</p>