EoinIRL Posted August 21, 2014 Report Share Posted August 21, 2014 So I recently got Xbox Live and tried to play Halo Reach but keep getting that error message in matchmaking. I also have this in Halo 3. I am able to play Halo 4 multiplayer but can't play co op with my friend. Link to comment Share on other sites More sharing options...
Unease Peanut Posted August 21, 2014 Report Share Posted August 21, 2014 Have you opened your NAT ? Link to comment Share on other sites More sharing options...
EoinIRL Posted August 21, 2014 Author Report Share Posted August 21, 2014 Have you opened your NAT ? Yes I rang my ISP and they opened it for me. Link to comment Share on other sites More sharing options...
Unease Peanut Posted August 21, 2014 Report Share Posted August 21, 2014 Turning off xbox and or router dodn't work either? You could try xbox.com/servicealerts to see if the problem lies with Microsoft. Link to comment Share on other sites More sharing options...
Mr Biggles Posted August 21, 2014 Report Share Posted August 21, 2014 Turning off xbox and or router dodn't work either? You could try xbox.com/servicealerts to see if the problem lies with Microsoft. I had this problem too. Could be a 343 problem which they haven't looked at/noticed yet. Link to comment Share on other sites More sharing options...
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