esta es
<providers>
<remove name="AspNetSqlMembershipProvider"/>
<add name="AspNetSqlMembershipProvider"
type="System.Web.Security.SqlMembershipProvider"
connectionStringName="LocalSqlServer"
minRequiredPasswordLength="5"
minRequiredNonalphanumericCharacters="0"
passwordStrengthRegularExpression=""
ApplicationName = "/Prueba de Sesion"/>
</providers>