You can host it as a COM+ component and using the security services of COM+. See http://www.craigberntson.com/Articles/kb019.pdf

>We have a COM server we wrote in VFP9 that we distribute with one of our applications.
>
>Are there any techniques for adding security to the COM server to ensure that only authorized users have access to the COM server?
>
>Thanks,
>
>Jerry