What Country/State/Province do you live in? Scotland
Modem brand & model number: ?
Router brand & model number: Virgin
Network Connection Type: Wireless/Wired: Wireless
If Wireless, what type of encryption are you using? Don't know what that means
If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter?: White
Things you have tried: Reseting router, xbox and have tried this over about a week period.
Is UPnP Enabled? Yes/no/Unknown: unknown
Is NAT Type Open? Yes
Any Error Codes you encounter: W:0000-0021 X: 0000-F001 Y: 20A8-48E0 Z:0000-0000
What type of internet do you have? Cable/DSL/T1/3G? : ??
Who is your ISP(Internet Service Provider)? Virgin Media
After you run "Test Xbox LIVE connection" and click on "More info", what is the exact message shown on screen? It is when i press (y) that this error code comes up and my connection on my xbox only is terrible since this appeared and there seems to be no answer to this on the internet so help would be appreciated.
Sorry but don't know what some of these questions mean.