I have searched countless pages for complete information on this subject and I just cannot seem to find the whole solution I want/need. I want to stop access to AIM using Windows 2003 Standard Server and ISA 2004 Standard Server. I am new to ISA server so I am trying to accomplish some tasks I am unfamiliar with. I need step-by-step information on how to block access to AOL Instant Messenger for certain users by schedule. In a nutshell, I need to be able to stop my teens from accessing AOL after let's say 1:00 am. I have already figured out how to block outgoing Internet activity at this time and that is working like a charm and if they would not happen to be signed in to AIM at that time it would stop them from signing in-that also works fine. The part that is not working for me is that they are ALWAYS signed in to AIM and I cannot get any Access Rule or GP to force this activity to stop if they are already using it. I would really rather not use a third party solution, but if that is my only option I would consider some proven products. I definitely want to stay away from something that has to be installed on individual PC's-I would rather have a network solution that maybe integrates with ISA if that is an option. If you require more information about my set-up please just ask. Thanks!