I keep getting this message despite the fact that I’m signed in. Any Help?
Try logging out of Xbox.com, clear your browser cache and restart your computer, log back into Xbox.com, then try Rewards again.
Please use the Forza Rewards discussion thread or the Forza Rewards FAQ thread to continue discussing Rewards related topics:
http://forums.forza.net/turn10_postst206_Forza-Rewards-discussion.aspx
http://forums.forza.net/turn10_postst262_Forza-Rewards-FAQ.aspx