That "ASP Configuration App" (although I'm not sure of what it is) must be using the old ASP.NET Membership
whereas your ASP .NET MVC 4 application is using SimpleMembership
. MVC 5 uses ASP.NET Identity
.
Chronollogically: ASP.NET Membership
> SimpleMembership
> ASP.NET Identity
.
See this question: what is the differences between Membership, SimpleMembership, ASP.NET Identity?
This article may also be useful.