We have decided to go online and gather all solutions for which people have confirmed that they worked for them and we have put them together in a single article.
What Causes Rainbow Six Siege Error Code 3-0x0001000b?
Here is a short list of the most common causes for this particular error code:
Broken or missing game filesFaulty LAN connection settingsServer being too far or not working properlyPorts used by the game are blocked by your router
Solution 1: Verify the Integrity of Game Files
This highly successful method is probably the best thing you can do if you have purchased the game via Steam. This will scan your game files for missing or corrupt files and redownload them from the Steam servers. It was proven successful for the Rainbow Six Siege Error Code 3-0x0001000b and we hope it will help you as well!
Solution 2: Automatically Detect LAN Settings
Your Internet connection settings are highly relevant to this error as it often appears if there are errors while connecting to Rainbow Six Siege servers. This setting will automatically detect proper in-game settings and hopefully prevent the error from occurring ever again. There are two ways you can locate this option so follow the steps you find the easiest!
Solution 3: Edit a Configuration File
Another successful method which might get rid of the problem is editing a certain file which holds configuration settings for the game. The thing you are about to change is the server the game uses to connect. It’s set to “default” but the server you are trying to connect to might be far away or it may have issues.
Solution 4: Configure a Static IP for Your PC and Open Certain Ports
Configuring a static IP for your PC is an easy process and it can be handles easily. What it allows you to do is to open certain ports used by the game. Users have suggested that this has worked for them and it makes sense considering the fact that the game needs these ports. It’s time to login to your router and allow a few ports.
Fix: Rainbow Six Siege Error Code: [0-0x00000312] Server Connection ErrorFix: Rainbow Six Siege Error Code 6-0x00001000Fix: Rainbow Six Siege Connection Failure Error 2-0x0000c015Fix: Rainbow Six Siege crashing
