Building Custom Providers for ASP.NET 2.0 Membership
At this quarter's MSDN Events one of the topics that we're covering is "Membership and Personalization in ASP.NET 2.0
Many folks have asked about custom providers.
If you're interested - check out this article.
https://msdn.microsoft.com/asp.net/whidbey/default.aspx?pull=/library/en-us/dnaspp/html/bucupro.asp