How to deploy ASP.NET MVC 4 application using localDB to local IIS on Windows 7?

Question

When I try to run my ASP.NET MVC 4 application using Local IIS on Windows 7 with Visual Studio 2013. I run into the following error when the application tries to connect to

Answer 1

Maybe this will help someone. I had the same problem installing an empty Epise3rver 7.5+ version but it was clear it did not have to do with any settings or configurations since my colleagues did not have this problem. I ended uninstalling all MSSQL-related applications and reinstalled MsSQL Express 2014. And it worked! I tried before to install 2014 but it didn't change anything so as said I then uninstalled everything MsSQL-related before installing 2014 again. Hope it helps.