Take a look at :
Writing a Custom Membership Provider
http://www.15seconds.com/issue/050216.htm
Installing the Database using aspnet_regsql.exe
http://msdn2.microsoft.com/library/x28wfk74(en-us,vs.80).aspx
Working own provider
http://forums.asp.net/899888/ShowPost.aspx
You should be able to cobble the pieces from those examples,
to get your own provider working.
Juan T. Llibre
ASP.NET MVP
http://asp.net.do/foros/
Foros de ASP.NET en Español
Ven, y hablemos de ASP.NET...
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> Can I hook up the existing Login components to my own database to verify and insert new
> users?
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>
> Any help would be appreciated.