Error Code 721 is something that every player has …Ħ. Star Wars Battlefront 2 graced PlayStation back in 2017 but the game has been haunted by network issues ever since. Star Wars Battlefront 2 Error Code 721 is a server related issue that can result in various problems for usersĥ. It is more difficult because you will have to access the configuration interface of your router, and this may be more difficult because turning it off may cause problems in games other than Battlefront 2.Ĥ. Method 3: Disable UPnP Disabling UPnP is more complex than ever. It’s more difficult because you’re going to have to access your particular router’s settings interface, and it’s potentially more problematic because turning it off could cause issues in games other than Battlefront 2.ģ. star wars battlefront 2 error code 721ĭisabling UPnP is a bit more complicated than any of the above. Inside the elevated Command Prompt, run the following …Ģ. Note: When you’re prompted by the UAC (User Account Control), click Yes to grant the application administrative privileges. Then, type “cmd” and press Ctrl + Shift + Enter to open up an elevated Command Prompt. Here’s a quick guide on how to do this: Press Windows key + R to open up a Run dialog box. Image results: star wars battlefront 2 error code 721ġ.