How do I stop using ASPNETDB.MDF in LocalDB?

Question

I implemented ASP.NET Identity and it automatically created ASPNETDB.MDF and aspnetdb_log.ldf in my App_Data folder. I already have the AspNet tables (i.e., AspNetRoles, Asp

Answer 1

I was getting exactly the same problem. I discovered that VS annoyingly pulls in config settings from machine.config, which lives outside of the project, in my case in...

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\machine.config

Identity 2.0 had used the following connection string inside machine.config...

to set up a connection for...

.. (which was also set in machine.config). If you haven't been using Membership then it's fine to do as Lord nick suggests (except just the clear/ will do the job) and simply do the following in web.config...

However, if you, like me, previously had Membership running (https://msdn.microsoft.com/en-us/library/6e9y4s5t(v=vs.100).aspx), you will need to comment out or delete the following sections from machine.config...

... since all this stuff is no longer needed for AspNet Identity 2.

I also had to add the following into in my web.config:

... as per this answer: Default Role Provider could not be found on IIS 7 running .NET 4

I hope I've saved someone some time. This took me hours and hours to work out.