CANNOT PLAY ONLINE

While I don't know of any way Microsoft or Treyarch can help, I personally can do modded lobbies in Nazi Zombies, and I know a few people who do what happened to you for fun. If you can at least still play Nazi Zombies you should try looking on sites like se7insins.com for somebody that can do a lobby for you to get your rank back to a normal one. Other than that, the only alternative would be to make a new Gamertag. Next week I should be able to help you on Xbox Live, if you would like.

try port forwarding. what router do you use?? or making your router accept communication from the ps3

first check your fire wall settings on your comp, then make sure its just halo, if its just halo then it could be the disc.

You have to wait for it to connect to a room with players.

other players has to come in ur lobby

Do you have any computers connected to your internet as well?
If so, try disconnecting them form your network.

If thats not the problem, it may be that the server (online lobby) is having updates or repairs.
I've noticed a slight decrease of speed too, but not that much.

Hi Jake,
Yhe only thing noticable here, is that the 360 elite has the 60 gig hard-drive instead of the Standard 20 gig, as fitted with the white 360. perhaps you might be able to try a 20 gig hard-drive on the box. May work, worth a shot. i,d also check microsofts site, for any game updates or patches for the game itself.

hope this helps ya buddy.

p.s plenty of people would be willing to trade your elite for a standard white 360. this would be another alternative.

Mike @ Compurepair.

anything is possible, you should call/tell sony@ 954-345-7669

All right you need to check your wirless connection or maybe someone is using the internet while you are in your house.

after endless hours of trying to play online we finally found out what the problem was -

check your discs you should have a serial on there if one ends in uk & the other ends in uk then you should be able to play together

if one ends i unk & the other ends in us then this is why you cnanot join or you cannot connect to host
This is the FIX
create another user then create another playstaion account now you both need to creathe this in unites states with another mail account - fill out the address in florida californail post code 90210 - once this is done youshould then be able to join up in the call of duty lobby but unfortunatley your stats are afresh