If your ISP connection is set to automatically disconnect after a certain period of inactivity, you may be disconnected while playing the game. I am getting disconnected from my multiplayer game after being online for a while. Please consult your router manufacturer's manual for information on how to set these ports. They will also need to be opened in the In-bound direction if you want players outside of your firewall to be able to join your dedicated or non-dedicated servers behind your firewall. The specific UDP ports that Jedi Academy uses are 28060, 28061, 28062, and 28070 through 28081 (inclusive.) These ports need to be opened in the Out-bound direction to join games. How do I configure my firewall or router for online play? What ports need to be opened? Low-end system players may have better performance joining smaller games, particularly over the Internet. Setting the maximum number of players in the game to a lower number may improve performance. The number of players in the game can greatly affect performance, particularly for low-end systems. The more RAM the Host machine has, the better performance and stability for the players in the game. Due to the method used in the game's networking, a slow or choppy frame rate on one computer can affect the overall multiplayer game performance, especially if it's the host. All players in a multiplayer game should make sure to adjust their display resolution so that they have a smooth frame rate.
Try the following to improve the performance of online multiplayer games: How can I improve multiplayer game performance? There is no way to adjust the refresh rate on the fly in the game.