TM1 Security is one of those things that is really easy to set up and really easy to screw up. It can be really simple, or it can be a nightmare! In this series, we go through our posts that guide you through how to use security, how to configure TM1 to work with Cognos (and therefore Active Directory) for security, how to set up element level security on a massive dimension and a few other things as well.
johnv Vaughan 
