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Call of Duty 1.4 how to play in LAN Tutorial


Step 1
Download CoD 4 from Mega/Mediafire or from Steam Version.

Step 2
Extract it using 7zip or any File Archiver (Winrar/7zip)

Step 3
Go to the game folder and run "iw3mp.exe"

Step 4
Create profile and type your username you want in-game.

How to Host Game

Step 1
Go to Start New Server and choose the settings you want.

Step 2
After changing the settings to what you want, click on Start:

Step 3

Create a network in Radmin VPN and make sure all of your teammates are in the same network and tell your friends your RadminVPN IP and wait for them to connect.

How to Join Game-

Step 1
Press tilde button on keyboard on Main menu:

-Step 2-
Type "connect <Hosts Radmin IP>" (For Example "connect") and press enter

-Step 3-
Wait until you connect and enjoy the game :)

-Question 1- It Gives Key Authentication Error (In Yellow Color) And Never Connects.

Ans: Download no CD key fix Here (for v1.7) and extract and replace all the files from it to game folder, then run the game and go to Options > Game Options > Enter Key Code and type this keycode in it and click on Verify.

-Question 2- It Stucks On "Awaiting Connection" Then I Get Connection Timed Out Error.

Ans: Try Disabling Firewall,
  1. Open Control Panel.
  2. Select System and Security.
  3. Choose Windows Firewall.
  4. Select Turn Windows Firewall on or off on the left side of the screen.
  5. Select the bubble next to Turn off Windows Firewall.
  6. Select OK to save the changes.
If still it doesn't work, try pinging your friend on RadminVPN (If You Can't Then It Is RadminVPN Issue)

-Question 3- Is Giving My RadminVPN IP To A Random Person Safe?

Ans: Yes, it is safe to give your RadminVPN IP to random person, He can just join with it, but giving your public IP is not safe. (Your Router IP)
Comments 3
07/06/2021 12:58:30
Hello everyone and thanks for this guide.
I have the Key Authentication Error. Still if I am in the same room (for example).
I have original key
I did all but I can't undertand what's happening with radmin. I think is RadminVPN cause I can connect with others methods (ZeroTier ecc).
Somebody can help me?
Radmin Club Team
07/06/2021 15:59:41

Could you send a screenshot of this Key Authentication Error?
07/07/2021 12:10:34
Thank you for the reply.
Here you are the screen shot. (Actually I dont know how to attach a screenshot but the error is the same identically)
I created a server with a shortcut like this "C:\Program Files (x86)\Activision\Call of Duty 4 - Modern Warfare\iw3mp.exe" +set dedicated 1 +set fs_game mods/ftag +set sv_punkbuster 0 +exec server.cfg + map_rotate

I open cod 4 mp with the same pc or other pc.
If radmin is active I have this error; if not I can connect.
The problem is that I need radmin because my friends are not in the same room or wifi, so I cannot turn off radmin.
Hope I was clear to explain.
Thank you
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