>We are developing in a multi-user environment using VSS integration. We are
>not able to get our ProjecHook classes to be registered after doing an Update
>the Projeclist or Join VSS Project.
>
>We've looked at the PJM and see that nothing is being added/deleted when we
>add/remove the project hook from Project Info.
>
>Any of you MS Fox guys have any advice?

This is by design. If the project is open, the project hook is running, and hence cannot be added to VSS.