Something

    <roleManager enabled="true"
               defaultProvider="CustomizedRoleProvider">
      <providers>
        <add name="CustomizedRoleProvider"
             type="System.Web.Security.SqlRoleProvider"
             connectionStringName="syska_dkConnectionString" />
      </providers>
    </roleManager>

    <membership defaultProvider="CustomizedMembershipProvider">
      <providers>
        <add name="CustomizedMembershipProvider"
             type="System.Web.Security.SqlMembershipProvider"
             connectionStringName="syska_dkConnectionString" />
      </providers>
    </membership>