How to Add Users Created using FBA in Sharepoint to User Policy.

Hello Experts, I am creating user in my custom database using ASP.net Form Based Authentication in Sharepoint 2010. Users are creating successfully. but when i am adding those user to User Policy, it is showing following errors

contentService.RemoteAdministratorAccessDenied; 

i have made it off in beginning  and also made it on in the Finally block, still the same error.

Please suggest how i can resolve this issue

Thank you

saroj