What Country/State/Province do you live in? USA, Missouri
Modem brand & model number: Charter
Router brand & model number: D-Link DIR-655
Network Connection Type: Wireless/Wired Wired
If Wireless, what type of encryption are you using?
If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter?
Things you have tried:
Is UPnP Enabled? Yes/no/Unknown Yes
Is NAT Type Open? Yes
Any Error Codes you encounter:
Z:0000 - 0000
What type of internet do you have? Cable/DSL/T1/3G? Cable
Who is your ISP(Internet Service Provider)? Charter
After you run "Test Xbox LIVE connection" and click on "More info", what is the exact message shown on screen?
Your console is connected to the Internet but can't contact Xbox Live. your router or ISP may be blocking access to xbox live.
On your PC go to your router configuration webpage and make sure prot 3074 is open on your firewall. etc...
This worked fine yesterday and now it doesn't work. I've had no service changes with either my Cable provider or XBox. I've tried all the "try this" and only managed to waste time. It doesn't work with my firewall off, it doesn't work with the
XBox in the DMZ, it doesn't worked plugged directly into the router.