Full Fix: Rainbow Six: Siege connectivity issues on PC
Many Rainbow Six: Siege players report issues with online functions during the game. More specifically, players may experience slow server connections, failed connection attempts or even connection errors.
In this article, we’re going to show how to fix general connection bugs in Tom Clancy’s Rainbow Six: Siege.
Rainbow Six: Siege connection issues on Windows 10, 8.1, and 7 [FIX]
Rainbow Six: Siege is a great game, but many users reported various connectivity issues. Speaking of issues, here are some common problems reported by users:
- Rainbow Six Siege error code 3-0x0001000b PC – This is a common error that can appear in the game. If you encounter it, be sure to check your antivirus and firewall and make sure that the game is added to the list of exclusions.
- Rainbow Six Siege disconnected from server – Sometimes you might get disconnected due to problems with the server. However, you can always change your server manually to fix this problem.
- Rainbow Six Siege trouble connecting, connection problems PC – Sometimes third-party applications can cause this issue to appear. To fix the problem, disable all startup applications and services and check if that helps.
- Rainbow Six Siege connection failed, failure, to server lost, poor, drops – These issues can occur due to problems with your ports, and in order to fix the issue, you need to forward the necessary ports.
- Rainbow Six Siege yellow connection – Sometimes you might get yellow connection icon due to your hosts file. To fix the problem, simply reset your hosts file to default and the issue should be resolved.
Solution 1 – Check your firewall/antivirus
One common cause for connection issues in Rainbow Six: Siege can be your antivirus software. Sometimes your antivirus or firewall can block the game from accessing the Internet and cause the network issues to appear.
To fix the problem, you need to be sure that the game is allowed to access the Internet, so add the game to the list of exclusions in your antivirus and firewall. If that doesn’t work, you might want to try disabling certain antivirus features or completely disable your antivirus.
Some users reported that disabling their antivirus doesn’t solve the problem, and if that’s the case, you might have to uninstall your antivirus. Once you uninstall the antivirus, check if the issue is still there. If removing the antivirus solves the issue, your next step would be to consider a new antivirus solution. Users reported problems with Kaspersky, ZoneAlarm, and Malwarebytes, so if you’re using one of these tools, you should consider removing them.
Antivirus software, such as Bitdefender, have a Gaming Mode feature, so it won’t interfere with your gaming sessions in any way. If you’re looking for a reliable antivirus, Bitdefender would be our top pick.
- READ ALSO: Fix: Uplay PC Windows 10 connection issues
Solution 2 – Forward your ports
You will need to forward these ports to your computer’s IP address for the best possible connection:
TCP: 80, 443, 14000, 14008.
For more information on how to configure your network ports, visit the official websites of your software and hardware manufacturers. There are also dedicated programs that you can use to forward your ports.
Solution 3 – Check background applications
In some cases, background applications can cause connectivity issues to occur in Rainbow Six: Siege. However, you can fix this problem simply by disabling startup applications. To do that, just follow these simple steps:
- Press Windows Key + R and enter msconfig. Now press Enter or click OK.
- Go to Services tab and check Hide all Microsoft services. Now click Disable all button.
- Next, navigate to Startup tab and click Open Task Manager.
- Right-click the first item on the list and choose Disable. Repeat this step for all items on the list.
- Close Task Manager, and go back to System Configuration window. Click Apply and OK to save changes. Restart your PC.
Once your PC restarts, check if the issue is still there. If the issue is resolved, you can start enabling services and startup applications one by one until you find the problematic app or service.
Solution 4 – Reset your hosts file
Sometimes your hosts file can get changed, and that can cause Rainbow Six: Siege connection issues to occur. To fix this problem, you just need to reset your host files to the default. Several users reported Access denied message while editing hosts file, but we already explained how to fix this problem in one of our previous articles.
Once you reset your hosts file, the issue should be resolved and you’ll be able to run the game without any problems.
Solution 5 – Make sure there are no locked ports
Your Internet Service Provider may have applied network restrictions that could be blocking your Rainbow Six: Siege connection. You can contact your ISP for more information.
Solution 6 – Change your server
Many users reported high ping while playing Rainbow Six: Siege. This can be caused because you’re connecting to an automatically picked server. The server is usually picked based on your ping, and sometimes it might connect you to a server that is far away causing unnecessary lag.
This can be a big problem, but you can fix this issue simply by making changes to a single file. To do that, follow these steps:
- Make sure that Rainbow Six: Siege is completely closed.
- Go to Documents\My Games\Rainbow Six – Siege directory.
- Inside you should see a single directory with a long file name. Access that directory.
- Inside it you should see GameSettings file. Open this file with Notepad.
- When the file opens, scroll all the way down to the [ONLINE] section. There you should see a list of servers along with their abbreviations. Select the server you want, for example wus would be US West, and change the DataCenterHint value accordingly. In our example, we would just have to make the following change DataCenterHint=wus and save the file.
After changing the server, start the game again and check if the issue is resolved. For best performance, be sure to select the server that is closest to you. It’s worth mentioning that you might have to repeat this solution several times in order to successfully change your server.
Solution 7 – Verify the integrity of game files
If you’re having connection issues in Rainbow Six: Siege, the issue might be file corruption. Sometimes the game files can get corrupted and that can lead to this and many other problems.
However, you can easily check if your game files are damaged and repair them right from Steam. To do that, just follow these steps:
- Start Steam and go to your library.
- Right-click Rainbow Six: Siege and choose Properties from the menu.
- Go to Local files tab and click Verify integrity of game files button.
- The verification process will now start. This can take a while, so be patient and don’t interrupt it.
Once the process is finished, start the game again and check if the problem is still there.
Solution 8 – Consider using a VPN
Several users reported that they fixed the problem with Rainbow Six: Siege simply by using a VPN. According to them, using a VPN solved their connection problems, so you might want to try that as well. If you’re looking for a good VPN, we recommend you try CyberGhost VPN (currently 77% off) and check if it solves your problem.
Solution 9 – Disable Windows firewall
If you’re experiencing Rainbow Six: Siege connectivity issues, it’s possible that Windows Firewall is preventing the game from working properly. To fix the problem, you need to temporarily disable Windows Firewall by following these steps:
- Press Windows Key + S and enter firewall. Choose Windows Defender Firewall from the list.
- Select Turn Windows Defender Firewall on or off from the menu on the left.
- Now select Turn off Windows Defender Firewall (not recommended) for both Public and Private network settings. Click OK to save changes.
After turning off your antivirus, check if the problem is resolved. If disabling the firewall helps, check your firewall configuration and make sure that the game is allowed to access the Internet.
These are some Rainbow Six: Siege issues that can occur, but we hope that you managed to fix connectivity issues by using one of our solutions.
Editor’s Note: This post was originally published in March 2017 and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness.
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