This happened to me as well with xbOnline my fix was changing servers and re downloading my accounts then when you go back onto xbOnline they should sign in! Hope this helped.

Please help me!! Any time i try to test my Xbox live connection it gets all the way to the last test and then it fails. I don't know what to do ive tried everything and nothing works it doesn't matter ...

still doesnt work and ive even went as far as re flashing my nand. could it be my stealth server?

My trinity RGH was working perfectly before the kernel update now any time i try to sign into a live account i get an error message that says some xbox live content is temporarily unavailable. code 80 ...

Please invite me my gt is Oh Cuzi