Only P6 Professional allows you to manage risks from the Windows client. For P6 enterprise, risks are not available in the optional client, but can be managed from the web. To open the risks window, click on the dice icon, which looks similar to the following screenshot:
Or choose from the main menu Project | Risks.
Whereas an issue or a threshold is associated with a WBS element, a risk is associated with a project. Within a project, a risk can then be associated with zero or more activities.
A risk has an ID and a name. It ...