How To Fix Rainbow Six Siege Connection Lost Error?

Rainbow Six Siege players are restricted from accessing the game by encountering the "Connection Lost" error after running the game. If you are facing suchaproblem, you can findasolution by following the suggestions below.

1. What is Rainbow Six Siege Connection Lost Error?
2. How To Fix Rainbow Six Siege Connection Lost Error
   1. Restart Your Internet
   2. Run Ubisoft Connect as Administrator
   3. Reset Internet Explorer Setting
   4. Disable IPv6 Protocol
   5. Register Another DNS Server
   6. Check Your Link
   7. Create Private Port for Ubisoft Connect

What is Rainbow Six Siege Connection Lost Error?

This error is usually caused by an unstable connection, restricting users' connection to the Uplay server. In order to fix this unstable connection, we will provide you with some suggestions and information on how to fix the problem. You can follow the steps below for this.

How To Fix Rainbow Six Siege Connection Lost Error

To fix this error, you can find the solution to the problem by following the suggestions below.

1-) Restart Your Internet

The unstable connection that occurs on your internet can cause various connection losseslike this, triggering some online running programs.

There isasimple way to fix unstable network connection. This way is to reboot the modem. To do this, turn it off by pressing the power button on the back of the modem.

To restart the modem 20 seconds after it is turned off, press the power button on the back and wait for it to work.

If the Ubisoft program is open in the background after providing internet access, close it completely and run it again to check if the problem persists.

2-) Run Ubisoft Connect as Administrator

The fact that the Ubisoft Connect application does not run with administrative privileges may cause us to encounter various errorslike this. For this, first of all, let's close the Ubisoft Connect application completely with the help ofatask manager.

After closing the Ubisoft Connect application completely in the background, run it as an administrator and check if the problem persists.

3-) Reset Internet Explorer Setting

Some users state that they solved the problem by resetting the internet explorer setting when they encounteredaconnection error in the Ubisoft Connect application. We can eliminate the problem by applying this suggestion. You can follow the step below to apply this setting.

• First of all, close the Ubisoft Connect application completely with the help ofatask manager.
• In the start search screen, type "Internet Options" and open it.
• Click on "Advanced" in the new window that opens.
• After this process, click the "Reset" button under the "Reset Internet Explorer Setting" heading and perform the reset.

After performing the reset, run the Ubisoft Connect program and check if the problem persists.

4-) Disable IPv6 Protocol

Some users state that when they encounteraconnection error in the Ubisoft Connect application, they fix the problem by disabling the IPv6 protocol. We can eliminate the problem by applying this suggestion. You can follow the step below to apply this setting.

• First of all, close the Ubisoft Connect application completely with the help ofatask manager.
• Open Control Panel and select Network and Internet
• Open Network and Sharing Center on the screen that opens.
• Click on Change adapter settings on the left.
• Right-click on your Connection Type to open the Properties menu.
• Disable the "Internet Protocol Version 6" option in the new window that opens and click the "OK" button.

After performing this operation, run the Ubisoft Connect application and check if the problem persists.

5-) Register Another DNS Server

We can eliminate the problem by registering another dns server on the computer.

• Open Control Panel and select Network and Internet
• Open Network and Sharing Center on the screen that opens.
• Click on Change adapter settings on the left.
• Right-click on your Connection Type to open the Properties menu.
• Double-click Internet Protocol Version 4 (TCP /IPv4).
• Let's apply the settings by typing the Google DNS server we will give below.
  • Preferred DNS server: 8.8.8.8
  • Other DNS server: 8.8.4.4
• Then click on Verify settings on exit option and press OK button to perform the actions.

After this process, follow the suggestion below.

6-) Check Your Connection

The problem with the internet connection can cause many errors. If your internet connection is slowing down or disconnected, let's giveafew suggestions to fix it.

• If your internet speed is slowing down, turn your modem off and then on again. This process will relieve your internet alittle bit.
• We can eliminate the problem by clearing the Internet cache.

Clear DNS Cache

• Type "cmd" in the start search screen and run it as administrator.
• Command prompt screen by typing the followinglines of code one after the other and press enter.
  • ipconfig /flushdns
  • netsh int ipv4 reset
  • netsh int ipv6 reset
  • netsh winhttp reset proxy
  • netsh winsock reset
  • ipconfig /registerdns
• After this operation, it will show that your dns cache and proxies have been cleared successfully.

After this process, you can restart the computer and check if the problem persists.

7-) Create Private Port for Ubisoft Connect

If none of the above suggestions work for you, we can fix the problem by setting the port configured for Ubisoft Connect.

• In the start search screen, type "Windows Defender Firewall" and open it.
• Click on "Advanced Settings" on the left side of the screen that opens.
• Click on the "Inbound Rules" option on the left side of the window that opens and click on the "New Rule" option on the right.
• Choose the "Port" option in the new window that opens and click the "Next" button.
• After this process, select the "TCP" option and type the port we will leave below in the box and click the "Next" button.
  • 13000, 13005, 13200, 14000-14001, 14008, 14020-14024
• Then select the "Allow Connection" option, press the "Next" button, set three options as selected and click the "Next" button .
• Then, give the name of the port where we performed the installation process and press the "Finish" button.

After this process, you can run the Ubisoft Connect application and check if the problem persists.