Several people are having a similar issue with Quake 4 multiplayer.  I think that maybe the XBOX Live for the 360 games might not be fully “finished” yet.  I think we are the guinea pigs finding the bugs they need to fix.

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Out of every 2 games of Battlefield2MC demo I used to play for the xbox, 1 of them would lag me out with a similar message.  It was really quite frustrating.. I remember a time when I was sneaking over to the enemy base to steal a helicopter… right when I did… “Connection error”.  Or when I’m about to initiate an artillery strike…
Some form of IP banning maybe?  (prominent form of cheating on halo 2)

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I had exacly the same prob.. but dont know why.. I really hope Tim is right, so i dont have this in the future..

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I have the same problem.  It is your router.  I am running a dlink di 604.  If I disconnect the router I can connect every time.  With the router hooked up good luck.  It is wide open as far as security goes and still the same problem.  It is cerified xbox live compatible.  Hmmm guess Ill just keep disconnecting it to play perfect dark.

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same problem here guys…take off the router works fine..i’ve been through tech support for what seems like a days worth of time trying to combat this (i’d like to actually use my router for routing..and not having to switch cables around constantly)..but no luck

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UPDATE!!!!!!!!!!  I tried another router last night and it was only slightly better.  It connected to perfect dark games about 50 percent of the time.  Better than before but still not acceptable.  Then I got an idea.  What is the only thing that is different other than the router?  I changed out the cable between the router and the modem and bingo.  It worked all night last night.  Ill repost if it quits working.  Interesting though because the cable never posed a problem for vonage or my pc.  I have no explanation.  In summation the cable fixed it.  So try a new cable.  It is also set up on the dmz of my router although that didnt help the problem.

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i tried with and without my router, and its like 99.5% of the times i get that error, i have to spend around half an hour to get on a game, its annoying

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my corrections, works perfect with no router

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I was having this same problem with my router, but just updated its firmware and it works fine now

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hey is there a way to hook a 360 up to live with out a router and just the wireless thing on the back of the 360

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i just got pd0 today and i have the same problem. i have a d-link di-604. any solutions yet besides changing the router or cable?

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I was searching the issue and it appears you would have to forward ports on your router. its ports 88 and 3074

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Same problem with a D-Link router.  Do we all have D-Link routers?

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Okay fellas,

      I hope this works for us.  i agree with every one saying that they are doing guinea pig problems but also it is your routers NAT (netwok Address translation) Basically your router translates the information and data from other computers and routers. I suggest you test your network connection and have a look at your NAT if it says “strict” thats means its not good at translating the data and leaves data behind that way the messages say “lost connection” if it say “open” or “medium” it another problem i suggests getting a different router or static your ip or hack it! I have BT Voyager 205 and changed to netware! if you don’t understand give me a shout Gamertag on 360 = Pezza Dispenser

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