Rainbow Six Siege server connection Error Code 3-0x0001000B – TheWindowsClub

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TheWindowsClub covers authentic Windows 11, Windows 10 tips, tutorials, how-to’s, features, freeware. Created by Anand Khanse, MVP.
Here is a full guide to fixing the Rainbow Six Siege server connection error with error code 3-0x0001000B. A lot of Rainbow Six Siege players have complained of getting this error when trying to play the game. When triggered, you will get the following error message:

Rainbow Six Siege server connection error [3-0x0001000B]

The Rainbow Six Siege servers are unreachable. Please try again later. For more information, contact http://support.ubisoft.com.

Rainbow Six Siege server connection error [3-0x0001000B]
The Rainbow Six Siege servers are unreachable. Please try again later. For more information, contact http://support.ubisoft.com.
Rainbow Six Siege server connection error 3-0x0001000B
If you are also getting the same error, this article will help you fix it. Try the solutions we have mentioned in this post and get rid of the Rainbow Six Siege server connection error.

Rainbow Six Siege server connection Error Code 3-0x0001000B

Here are the methods you can use when you encounter the Rainbow Six Siege server connection error with error code 3-0x0001000B:

  1. Check the server status of Rainbow Six Siege.
  2. Test your internet connection.
  3. Make sure your network driver is up-to-date.
  4. Perform a power cycle on your PC and router.
  5. Flush the DNS cache and renew your IP.
  6. Change your default DNS server to Google DNS.
  7. Verify the integrity of game files.
  8. Allow Rainbow Six Siege through Windows Firewall.
  9. Forward required ports.
  10. Troubleshoot in a clean boot state.

1] Check the server status of Rainbow Six Siege


The first thing you should do is make sure that this error is not triggered due to an ongoing server issue. It is highly possible that you get the error at hand because the Rainbow Six Siege servers are facing technical difficulties, server outrage, or servers are under maintenance. Hence, you need to check the server status of Rainbow Six Siege. To do so, you can use a free server-status detector tool. Or, you can check out the official social media accounts of Rainbow Six Siege for the latest updates.
If there is a server problem, you will have to wait for some time to get rid of the Rainbow Six Siege server connection error. However, if the servers are up and running, move on to the next potential solution to fix the error.
Read: Disconnected due to transmission error on Modern Warfare.

2] Test your internet connection

You are likely to experience server connection errors in games like Rainbow Six Siege if your internet connection is weak or unstable. Hence, do check your internet connection and make sure you are connected to an active internet connection.
To start with, check your internet speed and see if it is good enough to play online games smoothly. Apart from that, troubleshoot the WiFi problems if there are any. And if possible, try using a wired connection instead of a wireless one as it is more reliable for gaming.
If there is no internet issue, you can try the next potential fix to resolve the error.

3] Make sure your network driver is up-to-date

There might be an internet connectivity issue because of your outdated network driver which is causing the error at hand. Thus, you need to ensure that your network driver is updated to its latest version. To do so, here are the methods you can use:

Once done updating your network driver, reboot your PC and open the game to check if the Rainbow Six Siege server connection error is fixed or not. If not, go ahead and try the next potential fix to resolve it.
See: Rainbow Six Extraction server connection error code BRAVO-00000206.

4] Perform a power cycle on your PC and router

You can also try power cycling your PC as well as router and then check if the error is gone or not. To do that, follow the below steps:

  1. First, turn off your PC and then the router.
  2. Now, unplug the power cords of both your system and router.
  3. Next, wait for at least 30 seconds and then reconnect the power cords of both devices.
  4. After that, start your PC and router and check if the error is resolved.

If you still get the same error, try the next potential solution.

5] Flush the DNS cache and renew your IP

flushing DNS
The Rainbow Six Siege server connection error might be facilitated due to a bad DNS cache. Hence, if the scenario is applicable, flushing the DNS cache should resolve the error for you.
You can use the below steps to flush the DNS on Windows 11/10:
First of all, open the Command Prompt with administrator rights.
Now, enter the below command in CMD:

 ipconfig /flushdns

After that, press the Enter button to execute the above command.
Once you receive the “Successfully flushed the DNS Resolver Cache.” message in CMD, enter the below commands one by one to renew your IP address:

ipconfig /release ipconfig /renew

When done, reopen the game and check if the error is gone or not.

6] Change your default DNS server to Google DNS

google dns
If the above solutions didn’t work, try switching to the Google DNS server from your default DNS. As a connection error could be triggered because of inconsistency with the default DNS server assigned to you, using a reliable public DNS might help you fix it. Users find it helpful to use the Google DNS server. So, you can do the same and see if it works for you. Here are the steps to set up the Google DNS Server on Windows 11/10:

  1. Firstly, press Win+R to open the Run dialog box and type & enter ncpa.cpl in it to bring up the Network Connections window.
  2. Next, right-click on the connection you are currently using and then tap on the Properties option.
  3. Once inside the Properties window, click on the Internet Protocol Version 4 (TCP/IPv4) option and hit the Properties button.
  4. After that, choose the Use the following DNS server addresses option and then enter the following addresses in their respective fields:
    Preferred DNS server: 8.8.8.8 Alternate DNS server: 8.8.4.4
  5. Lastly, click on the Apply > OK button to save changes and check if the error is gone or not.

If you still experience the Rainbow Six Siege server connection error, move on to the next potential fix.
Read: Connection Interrupted error in COD Black Ops Cold War.

7] Verify the integrity of game files

In many instances, this error might occur if your game files are infected and corrupted. Hence, if the scenario applies, verify the integrity of the game files of Rainbow Six Siege to fix the error. Here are the steps to do so:

  1. Firstly, open the Ubisoft Connect app and navigate to the Games tab.
  2. Now, select the Rainbow Six Siege game, and from the left-side panel, click on the Properties option.
  3. Next, click on the Verify files option which is present under Local files.
  4. It will start verifying your game files and scan for the bad ones.
  5. Once done, you will be prompted with a Repair option; simply press the Repair button and it will fix all the damaged game files.
  6. Finally, you can reopen the game and check if the error is gone.

Steam users can verify game files of Rainbow Six Siege using the below steps:

  1. First, start the Steam client and navigate to Library.
  2. Now, locate the Rainbow Six Siege game in your library and right-click on it.
  3. From the appeared context menu, choose the Properties option.
  4. After that, move to the Local Files tab and click on the Verify Integrity of Game Files button.
  5. Let Steam scan and repair the game files.
  6. Once the process is complete, reopen your game and see if the error is stopped now.

See: You have lost connection to the Destiny 2 servers error.

8] Allow Rainbow Six Siege through Windows Firewall

Your firewall might be causing the error at hand. To check that, you can try disabling your firewall and see if the error is gone. If yes, you can allow the game through your firewall to fix the error.
Here are the steps to allow Rainbow Six Siege through Windows Firewall:

  1. Firstly, from the Start menu, search and open the Windows Security app.
  2. Now, navigate to Firewall & network protection and click on the Allow an app through firewall option.
  3. Next, tap on the Change settings button and check if the Rainbow Six Siege game is there in the apps’ list. If not, you can add the game executable by using the Allow another app > Browse option.
  4. After that, select the game and allow it on both Private and Public networks.
  5. When done, try launching the game and check if the error is fixed.

9] Forward required ports

The next thing you can do is try forwarding the required ports and see if the error is resolved. It might be the case that the ports required by the game are closed. As a result, it causes problems in establishing a connection between game servers and the game. Thus, you receive the Rainbow Six Siege server connection error. Hence, in that case, port forwarding should fix the error.
Firstly, open a web browser and access your router settings. You need to enter the IP address of your router to do so. It can be one of the below addresses:

192.168.0.1  192.168.1.1

Once inside the router settings page, log in with the correct credentials. And then,  move to the Advanced / Expert menu on the settings page.
Next, look for the Port Forwarding / NAT Forwarding option and manually forward the ports used by Rainbow Six Siege. Use the following ports:
Uplay PC:
TCP: 80, 443, 13000, 13005, 13200, 14000, 14001, 14008, 14020, 14021, 14022, 14023 and 14024
Game Ports:
TCP: 80, 443
UDP: ​10000-10099, 3074​, 6015
After that, save the settings and restart your router. You can now try opening the game and check whether or not the error is fixed.
See: No compatible driver/hardware found in Rainbow Six Extraction.

10] Troubleshoot in a clean boot state

Troubleshoot in a Clean Boot State
If nothing else fixes the error your, try performing a Clean Boot and see if it helps. Third-party software conflicts are known to cause errors like these. Hence, starting Windows with only an essential set of drivers and services should resolve the error. Here are the steps to do so:

  1. Firstly, open the Run dialog box using the Windows+R key combination.
  2. Next, type & enter msconfig in the Open box to bring up the System Configuration window.
  3. Now, navigate to the Services tab and check the Hide all Microsoft services option to make sure you don’t turn off an essential Windows service.
  4. Then, press the Disable all button and tap on the Apply button.
  5. Next, move to the Startup tab and press the Open Task Manager button.
  6. After that, disable all startup software and applications.
  7. When done, reboot your PC and then try launching the game.

Hopefully, you won’t get the Rainbow Six Siege server connection error now.

How do I fix R6S connection error?

To fix the Rainbow Six Siege server connection error, check the current game server status. Other than that, make sure you are connected to an active and reliable internet connection. Also, you can try verifying the integrity of game files, forwarding required ports, flushing the DNS cache, power cycling your router, switching to Google DNS, etc. You can check out these fixes in detail in this post.
If you are unable to connect to the Rainbow Six Siege servers, there might be an ongoing server issue. The game servers might be experiencing server outrage or there might be maintenance work going on. Besides that, a weak and unstable internet connection can also cause the same problem. Hence, make sure you are connected to an active internet connection.

How do I fix error 3 0x0001000B?

To fix the error code 3-0x0001000B on Rainbox Six Seige, make sure the game servers are not down. Apart from that, check your internet connection, update network drivers, reset your network, flush the DNS cache, allow the game through your firewall, verify and repair the game files, perform a clean boot, use a public Google DNS, etc. You can simply follow this guide to fix the error.
Now read: Rainbow Six Siege Error code 2-0x0000D00A, Matchmaking Error.
Date:

Komal has done M.Tech in CSE. For the last 4 years, she has been writing technical blogs – and she is keen on finding and bringing solutions to day-to-day tech problems.


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