Can't connect to a Modern Warfare 3 Server;Connecting to online services + Call

elecwang

1.   Can't connect to a Modern Warfare 3 Server:

Keeps you hanging in connecting till you get the server connection timed out
message. Crossfire or SLI related. Turning multiGpu from 1 to 0 fixes problem.

Backup your config file first. It's commonly found at one of these two locations:

C:|Program Files|Steam|steamapps|common|call of duty modernwarfare 3|players2|
config_mp.cfg.

C:|Program Files(x86)|Steam|steamapps|common|call of duty modernwarfare 3|
players2| config_mp.cfg.

"Open With..." and select Wordpad (not Notepad). When you're done making changes
do "Save" rather than doing "Save As" so that the file extension won't get
changed.  

2. Connecting to online services  + Call of Duty Modern Warfare 3 server is not
available at this time. :

Easy and fastest option :
Pick up your PC and go to a friend to see if it's your PC or the connection.

NEW !  - Un-install antivirus (Panda Internet Security) and any "unknown"/
unneeded software.

Call your Internet provider (ISP) can be they had more calls and they blocking
something or whatever there can go wrong with connections.

- Apparently there are many problems with Orange Broadband and Netgear routers.
If this is the case for you then update to the newest firmware. Once this is done
log back onto your router and go to ADSL settings and change the multiplexing
method to LLC-BASED and change the DSL Mode to ADSL2+. You can ask Orange for
their latest router/modem.

A statement from Orange on 11-11: They have received many phone calls, regarding
Modern Warfare 3 and not being able to connect. They are fixing the problem and
have given the timeframe of another 2 days to fix it.
List of ADSL2/2+ Compatible routers/modems