why cant i connect to xbox live?

[john]

I've encountered this same problem. It usually happens when I'm steaming movies (Netflix, Vudu, etc). We have so many devices connected to our network, I think we were hitting peak levels on our modem/router. Sometimes I would just have to run the xbox network test and sign back in to xbox live. Other times I would have to reset my modem and router first.

It turns out my problem was being caused by my Comcast modem. When I called Comcast, they made some joke about my modem being an antique. They said the modem (their equipment) wasn't coming close to the Internet speed we're paying for (great, thanks for letting us know Comcast). Anyway, I replaced the modem with a new one from Comcast and I no longer (or at least very rarely) encounter this issue.

I can definitely feel your frustration.