Introduction: SQL server express LocalDB is a developer's database, which is a lightweight edition of Microsoft SQL. It works as same as SQL with fewer features. LocalDB can be created and managed by VisualStudio or SQL management studio. Using visual studio we can create database LocalDB either from "SQL Server Object Explorer" or by using code first approach using any asp.net web application. To configure LocalDB to an application hosted in local IIS, we need to set up a few additional settings. Here we are going to discuss the common problems and solutions while configuring. Create ASP.NET Core MVC Sample Application: Create asp.net MVC Dotnet core application. In VisualStudio, while selecting an MVC application template we can select the authentication option, in that select individual login option. After the project creates initially run the application using IIS Express server which is a prebuilt server in VisualStudio. We can observe a sample ap