Recently i've been having a problem where I leave my xbox on overnight to finish a zombies game the next day and I wake up in the morning to "The black ops 2 servers are not available at this time". This has happened to me 3 times on round 60 on farm and it's getting very irritating. A few weeks ago I left my xbox on for 3 days straight in 1 zombies game without disconnecting so I have no clue what the problem is. I have a wired connection, xbox 360 slim and NAT type moderate. Any help would be greatly appreciated.