How to Fix Error Code 3-0x0001b in Rainbow Six Siege

by Ana Lopez

Rainbow Six Siege error code 3-0x0001b is a common problem that occurs when the game client is disconnected from the Rainbow Six Siege servers. It’s an irritating problem that prevents players from logging in and, sometimes, from doing matchmaking. Keep reading our guide as we explain how to fix it Rainbow Six Siege error code 3-0x0001b.

  • Be sure to also check out our explanation of the R6 Fix Incentive program, which earns you cosmetics for reporting bugs.

How To Fix Rainbow Six Siege Error Code 3-0x0001b

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Before discussing the various troubleshooting steps to resolve the Rainbow Six Siege error code 3-0x0001b, we recommend players to download the the game’s official Twitter handle to see if there is any ongoing server maintenance.

If you are playing on PlayStation or Xbox, you should also check whether Xbox Live and PSN services are running or not.

Since 3-0x0001b is a connectivity issue, it mainly arises due to the server not working be it due to scheduled maintenance or some issues.

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If the game servers are down or Xbox Live or PSN services are having problems, there is nothing you can do. All you can do is wait for things to be resolved by the developers.

That being said, if the game servers and services mentioned are working fine then you can follow the troubleshooting steps below to resolve the issue Rainbow Six Siege error code 3-0x0001b.

Confirmation Rainbow Six Siege Error Code 3-0x0001b on PC

Here’s how to fix it Rainbow Six Siege error code 3-0x0001b on PC:

  • Reset your network hardware.
    • You can perform a soft reset by unplugging the power cable from your router, waiting thirty seconds, and plugging it back in.
  • Switch to a wired connection.
    • A wired connection is more stable and does not depend on things like signal strength and the like.
  • Enable UPnP and enable port forwarding for Rainbow Six Siege.
    • TCP: 13000, 13005, 13200, 14000, 14001, 14008, 14020, 14021, 14022, 14023, 14024
    • UDP: 6015
  • Reset Host file in c:\Windows\System32\drivers\etc

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  • Flush your DNS to remove obsolete information stored in the form of IP addresses.
    • To clear your DNS, open Command Prompt or Windows Power Shell and use the following command: ipconfig /flushdns

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Using the steps above, you can resolve connection issues such as Rainbow Six Siege error code 3-0x0001b on PC.

Confirmation Rainbow Six Siege error code 3-0x0001b on PlayStation and Xbox

On consoles, almost every troubleshooting step remains the same; the only difference is the ports you need to connect to for Port Forwarding.

Ports for PlayStation

  • TCP: 80, 443, 3478, 3479, 3480.
  • UDP: 3478, 3479, 3658, 6115, 10000-10099.

Ports for Xbox

  • TCP: 80, 443.
  • UDP: 3074​, 6150, 10000-10099.

That concludes our guide on how to fix Rainbow Six Siege error code 3-0x0001b. Keep reading GGRecon to learn more about Rainbow Six Siege.


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