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MW3 Dedicated Server config files Updated !

MW3 Dedicated Server config files Updated


NEW : Teambalance dvar for Modern Warfare 3 dedicated servers !

Modern Warfare 3 - the Dedicated Server Issues

Teambalance dvar for Modern Warfare 3 dedicated servers

MW3 Dedicated Servers

Modern Warfare 3 got a PC patch on Thu Nov 10, 2011.

There were no patch notes but the teambalance dvar for dedicated servers is now functional.

For team balance you have to add "seta scr_teambalance 1" to the server.cfg.

Modern Warfare 3 - the Dedicated Server Issues

MW3 Dedicated Servers

by Killing

*** UPDATED ***

A Game Server Provider about the Modern Warfare 3 dedicated servers.

" There are number of serious issues. "

  1. The example server.cfg is totally broken. It uses "set" for all the variables instead of "seta" which is required for it to work. While this is easy to fix it took quite a bit of effort to figure out as the last thing you expect is the example config to be broken.
  2. The servers fail to startup fully in internet mode reporting "No Steam Master Servers found. Server will LAN visible only."  Update @ 16:52 08/11/2011 - This is fixed by copying Steam.dll from your steam directory to the dedicated server root directory and restarting the server.
  3. The core variable required to run multiple servers from a single install, which is required by all server providers, appear to have been removed. The setting in past games have been: fs_homepath and fs_localAppData
  4. Apparently ranking isnt available on dedicated servers which makes them pretty much pointless.
  5. cmdlist and dvarlist has also been removed making it very hard to check that config settings are valid
  6. The server is huge 14GB, basically its a client install. Compare this to BF3 which is 1GB. There's no need to have a server include all the graphics, sounds and even cut scene movies.
  7. No documentation at all that I can find. Again this is readly available for BF3 so why not MW3, its not like you guys are new at this.
  8. The dedicated isnt availabe via the steam dedicated server download tool only via the client, which makes it very difficult to support. This is easy to fix and needs doing so ASAP.
  9. Server randomly fails to start due to "lack of bandwidth" even when this is clearly no the case. The error message seen is: "Invalid server configuration - insufficient upstream bandwidth 0 kbps for 18 clients. Minimum 566 kbps required."
  10. net_ip doesnt work. This needs to change the address binding for ALL ports and doesn't
  11. Some times the server will insta bin on startup. Restarting it with no changes often just works
  12. Server has no logging option, thats been found. This makes diagnosing issues like the above next to impossible.
  13. Invalid / broken cpu requirements check sometimes reports things like the following, the check should be removed."Invalid server configuration - insufficient cpu performance 3.0252 ghz for 18 clients. Minimum 6.0000 ghz required."

All other developers work closely with GSP's such as ourselves, who have over 10 years experience in running dedicated game servers, to ensure that things like this aren't missed; so why does Activision / IW etc ignore this and end up releasing a product which misses the mark?

You guys make great games but we know what it takes to make a good dedicated server, talk to us guys we'll help ensure these basic mistakes are avoided

So the questions for the MW3 devs :

  1. When will the steam master servers be fixed or is this error not really an issue?
  2. Is there another way to multiple instance servers from a single install, or when will this be fixed?
  3. When will the dedicated server be available via the steam dedicated server download tool?
  4. When will all the unused resources be removed from the server so its not basically a client with a different .exe

Updates / Fixes

16:52 08/11/2011

The "No Steam Master Servers found. Server will LAN visible only" is fixed by copying Steam.dll from your steam directory to the dedicated server root directory and restarting the server. 

20:00 08/11/2011

Add issue #9 about server failing to start due to lack of network bandwidth.

22:02 08/11/2011

Added issue #10 about net_ip not working

Added issue #11 about server insta-binning

Added issues #12 about server having no logging capability.

00:54 10/11/2011

Added issue #13 about invalid cpu check


Valve has updated HLDSUpdateTool for MW3

11-9 Update: Valve updated HLDS UpdateTool. MW3 dedicated server without a Steam client.

Modern Warfare 3 Dedicated Server - Rcon Client Setup

Modern Warfare 3 Dedicated Server - Rcon Setup

MW3 Dedicated Servers

by Zeroy

(Waiting on a 100% working approval)

This article explains how to setup Rcon client side and the commands available to Server admins.

Client Setup

In Game, go and enable Dedicated Servers and Remote Console:

MW3 dedicated server rcon

Server Setup

For initial Server server please check Here

In your server.cfg OR shortcut/command line, make sure you have specify a Rcon password:

+set rcon_password "xxxxxx" 

Rcon in game

After connecting to your server, hit the Console key, default mapped to ` or ~, the Rcon console should come up:

Mw3 rcon

For a larger console window (needed for /status for example) you need to press Shift + ~ or Shift + `. In this window the command output will appear, you can scroll up and down with the scroll button on your mouse


Mw3 rcon server

/login - To login to Rcon
/logout - To logout of Rcon
/kickclient [player id] - This will kick a player according to its ID (given with the /status command).
/kick [player name] - This will do the same as the /clientkick command, but this command requires the player's name.
However, some names are very difficult to enter (with colour codes etc.), thats why the /clientkick commands is easier in use.
You can use 'all' as player name, this will kick all players from the server.

/drop - unknown
/dropclient - unknown
/tempBanClient [player id] - This will temporary ban a player using the player's ID. The length of a temporary ban can be changed in the server configuration file.
/tempBan [player name] - This will temporary ban a player using the player's name.
/ban [player name] - This command does the same as the /banclient command.
/banClient [player id] - This command will ban a player according to its ID. The player's GUID will be added to ban.txt.
However, this requires you to fill in the player's name, it is therefore advised to use the /banclient command (names can be long or contain colour codes).

/unban [player name] - This will unban a user according to the player's name.
/gameopt - Rcon command specific to MW3, can be used to set variables from Recipe
/serverinfo - This command shows the server settings and configurations.
/status - This shows information about the connected players. This includes the client ID, score, ping, GUID, name and IP address. The ID and name can be used for the following commands.
/dumpuser [player name] - This will give information about the player.
/map_restart - This will restart the current map.
/fast_restart - This will restart the current map just like /map_restart but is much faster as it will not load the map again. It will just restart the map.
/map [map name] - This will load the given map.
/killserver - As the name says, it will shut your server down.
/map_rotate - This will load the next map of the rotation. This is set in the 'sv_maprotation' file on your server.
/set - This command can se used to set variables, like: set <variable> <value>


RCON usage

It is very likely that you are not playing at the same location (IP address) as your server is. Thats where we use RCON (= remote control) commands for.
Using RCON is very easy, just add '/rcon ' in front of the commands above (removing the '/' of those commands). But before you can use RCON, you will have to login:

/rcon login <password> - Fill in the password of the server and you can use RCON commands.


Examples of RCON commands:

/rcon map mp_paris /rcon status /rcon banclient 5


Thanks to Daevius!

Setup, Host, and Join a Dedicated server in Modern Warfare 3

Written by Guy Beahm

setup, host, and join a dedicated server in Call of Duty: Modern Warfare 3!

Modern Warfare 3 - the Dedicated Server Issues here.

This article provides the basic steps to setup, host, and join a dedicated server in MW3.

The “basic” steps of running a dedicated server are:

  1. Create a set of recipes
  2. Create a playlist
  3. Start the dedicated server executable
  4. Invoke the playlist on the server
  5. Start the map rotation



1.     A recipe is the match rules for a given map.  In this section we show you how to create, save, modify, and load recipes.  Using the Private Match feature you can easily create recipes to your liking.  Additionally you can modify recipes in a text editor if you prefer.  We’ve shipped with several example recipes found here:

 <SteamRoot>|steamapps|common|modern warfare 3|admin|*.dsr

Creating a Recipe:

2.    Access the recipe via the Private Match Game Setup Screen. 


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