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SnowRunner – Cannot Play CO-OP on Same Network, Multiplayer Fix

SnowRunner – Cannot Play CO-OP on Same Network, Multiplayer Fix

Although there are players who can play SnowRunner’s Singleplayer mode without any problems, there are those who have problems or even cannot play in Multiplayer mode.

In SnowRunner, you may have trouble playing the Co-Op mode with your roommate using the same network, although you have no trouble joining other players’ games.

These Multiplayer problems in SnowRunner may be caused by your internet provider, router or firewall. I have listed the solutions that work for you to fix these problems in the game.

How to fix the problem of not being able to connect to multiplayer mode?

1) Open Ports on Your Router

It is possible to fix this problem by opening the ports on the router.

  • Go to your router’s settings page. If you don’t know how to access the settings of your modem, check out this.
  • Locate the Port Forwarding settings tab. This menu may be named differently on each modem/router. Such as Virtual Servers, Port Triggering, NAT Forwarding, Gaming & Applications.
  • Since it differs in each interface, I will simply explain what you need to do. You can find detailed information in the guides about your router.
    On the port forwarding page, enter 11700 in the External Port box, enter 11710 in the Internal Port box and select the TCP as Protocol.
  • After creating the first port like this, we will open a port for UDP.
    On the port forwarding page, enter 48800 in the External Port box, enter 49000 in the Internal Port box and select the UDP as Protocol.
  • These were the ports we opened for the game. Now let’s open the ports for the Epic Games launcher.
    Likewise open the following ports: 80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, and 12000-65000
    Enter the single ports in both boxes. For example enter 80 in the External Port and Internal Port boxes.
    Open all ports in order and select the “Both” (TCP & UDP) as protocol.

2) Enable DMZ

If your router has DMZ, enabling it may work.

The DMZ (Demilitarized Zone) host feature allows a local host to be exposed to the Internet for a special-purpose service, such as Internet gaming or video conferencing. Basically, the DMZ allows a single computer on your LAN to open all its ports.

My router (TP-Link Archer VR600) has this feature, I will tell you how to do it in its interface.

To assign a computer or server to be a DMZ server:

  • Select Enable DMZ.
  • Enter the IP address of the local computer to be the DMZ host. Mine was 192.168.1.100
  • Click Save.

3) Open Ports in Windows 10

You can fix the issue by opening ports on Windows 10.

  • Type Windows Defender Firewall with Advanced Security on Windows search box. Open it.
  • Click the Inbound Rules and select the New Rule.
Inbound Rules
  • Select the “Port“, then click Next button.
  • Select the “TCP” and “Specific local ports
  • Paste the following into the “Specific local ports” box:
80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, 11700-11710, 12000-65000
Allow the connection
  • Click Next button and select the “Allow the connection“. After that click Next.
  • Click the Next button without making any changes.
  • Name the rule “SnowRunner1” and click Finish.

Now we will do the same for UDP.

  • Click the Inbound Rules and select the New Rule.
  • Select the “Port“, then click Next button.
  • Select the “UDP” and “Specific local ports
  • Paste the following into the “Specific local ports” box:
80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, 12000-65000, 48800-49000

Note: The numbers are not the same as those of TCP!

  • Click Next button and select the “Allow the connection“. After that click Next.
  • Click the Next button without making any changes.
  • Name the rule “SnowRunner2” and click Finish button.

Now we will do the same things in the “Outbound Rules“.

  • Outbound Rules > New Rule > Port > TCP > Specific local ports: “80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, 11700-11710, 12000-65000” > Allow the connection
80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, 11700-11710, 12000-65000
  • Outbound Rules > New Rule > Port > UDP > Specific local ports: “80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, 12000-65000, 48800-49000” > Allow the connection
80, 433, 443, 3478, 3479, 5060, 5062, 5222, 6250, 12000-65000, 48800-49000

4) Antivirus and Windows Defender Firewall

Make sure that the antivirus software and Windows Defender Firewall are not blocking the game connection. You should also create an outbound rule in the Windows Defender Firewall.

  • Type control panel in the search section of Windows.
  • Then open the Control Panel.
  • Click on the Windows Defender Firewall
  • Click on the “Advanced settings
  • Go to the “Outbound Rules” tab in the window that opens.
  • Now click on the “New Rule…” from the right panel of the window.
  • Select the Program and then click on the Next button.
  • Select the exe path of the game and click on the Next button.
  • Now select “Allow the connection” and click Next.
  • Select all profiles and click on the Next button.
  • Finally, type SR in the Name box and click the Finish button.

You can do the same for Epic Games Launcher. Might help.

5) VPN

Those who connect to the game using a VPN have been able to work around this problem. You can try it too.

6) NAT Loopback & Hairpinning

Community Manager of Focus Game has suggested that you contact your Internet provider to see if they can activate “NAT loopback” or “Hairpinning” for you.

Last Updated on 12 September, 2020 3:56 pm EDT

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