Online gaming is a fairly involved process. Several factors can contribute or take away from, a fun online experience. When troubleshooting online performance, you have to keep in mind that you are not only dealing with your computer, but also the computer you are connecting to. Other factors like downloading or transferring large files over a network will contribute to internet lag or loss of connection. Every computer your signal passes through can also affect the speed and overall quality of an online game. Any Master Server disconnects can be attributed to either a connection issue, or a piece of software that communicates over the internet that will interfere with the transmission of information.
Make sure that your computer's drivers are up to date, and any background tasks are closed. Anti-virus software can cause conflicts with the game. It is recommended that you disable or configure your anti-virus software to minimize conflicts with the game. Anti-virus software can also cause errors when your games try to open files or establish connections because of the active scan and similar settings.
Before administering security software and firewalls, be sure that your Windows account has administrative privileges.
Router / Firewall notes
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If you are playing behind a USRobotics router:
o The Firmware must be the latest version (v2.7 or later). Check with the USRobotics support Web site for details on how to perform this update.
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If you are playing behind a D-Link router:
1. Check the "Send Delay" box in the Network menu for Command & Conquer 3 Tiberium Wars.
2. Select Options.
3. Select Settings.
4. Click the Network tab and toggle on "Send Delay".
5. Click "Done".
6. If playing behind a D-Link DI-704, you will need to upgrade its Firmware to version 2.75 (build 3 or later).
7. See the D-Link support Web site for details on how to perform this update.
Note: Belkin and USRobotics routers have irresolvable issues specifically when attempting to connect to each other via the Automatch feature.
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Belkin and USRobotics routers will have difficulty connecting to D-Link DI-604 routers via Automatch.
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If you are playing behind a software firewall, you will need to be sure you have added the following to the "Exceptions or Allowed Programs " list in your software firewall:
o The game's executable file (typically located in "C:\Program Files\Electronic Arts\Command & Conquer 3 Tiberium Wars\CNC3.exe")
o The "game.dat " file, which is located in the same directory listed above
* If router settings are changed since the last time Command & Conquer 3 Tiberium Wars is played, you will need to click the "Refresh NAT" button in the game's Network menu. To do this:
1. Select Options
2. Select Settings
3. Select Network tab
4. Click the "Refresh NAT " button.
* If you are experiencing general NAT connection difficulties, perform the following steps:
1. Exit the game.
2. Delete the "options.ini" file in your Command & Conquer 3 Tiberium Wars folder.
3. Restart the game.
4. Click the "Refresh NAT" button in the Network Settings menu.
* If using a combination of a cable modem and a router, contact your ISP/cable provider in order to get assistance in disabling your modem's built-in firewall.
Even the lobby system works completely and properly.
