CVG Write: After literally years of complaints (from us), Microsoft has finally released a tool to get your Live downloads working on your 360 even if it wasn't the console you originally downloaded them with.
Users have been complaining since the console's release that, if your 360 snuffs it and you replace it, or upgrade to an Elite, all your downloads from your original console will only work on the new machine while it is connected to Live.

Full story: n4g.com