List of users

Hi,

We are using Altiris Asset Management suite (Version No: 6.0.6074 (SP 3 + R6)). What is the easiest way to export list of all users to the system? I can see them through configuration->Server Settings -> Notification Server Settings -> Security Roles. However, you have to scroll through different Security roles to know the users who have access to the system. I am looking for a consolidated list with their roles. Thanks for your help..