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
I had the same Problem where the ASPNETDB.MDF was automatically created, even if I use Asp.Net Identity as the main user management.
I solved it by removing the following line from web.config:
This one tells ASP.NET to use the older ASP.NET Membership user management, which is not supported by ASP.NET Identity.