VS 11 Role Management Not Going Through SQL Server

I have a Silverlight Business application and I am using Visual Studio 11 (.NET 4.5?).
The only thing that I modified was the web.config file to point my user management to an existing database on the server. However, when I run my SL application the existing users in the database can not login. Also, I created a user in the application and it didn't show up in my database.
My question is why is the application going through a different database when I run it in debug mode. I haven't tried publishing to IIS, because I should (theoretically) have the same result.
Here is my web config:
<?xml version="1.0" encoding="utf-8"?> <configuration> <configSections> <sectionGroup name="system.serviceModel"> <section name="domainServices" type="System.ServiceModel.DomainServices.Hosting.DomainServicesSection, System.ServiceModel.DomainServices.Hosting, Version=4.0.0.0, Culture=neutr ...