Windows 10 Pc sees Win 8 LAN server but not vice versa (Minecraft)

AMDRazer · Apr 7, 2016

Hello.

I have a Windows 10 Pc that can connect with a windows 8 laptop on a Lan Minecraft server with no problem- but when the host is the Win 10 pc the Win 8 lappy connects with an error--

Failed to connect to the server

java.net.ConnectException: Connection refused: no further information:

This error started appearing as a result of switching from a router to a modem as a primary internet switch.

Any help is appreciated

USAFRet · Apr 7, 2016

This error started appearing as a result of switching from a router to a modem as a primary internet switch.

Please describe the total chain of parts.
What is where, and what is plugged into what?

AMDRazer · Apr 7, 2016

USAFRet :

Alrighty. Previously--

~~~~~~~~~ is WIRELESS
..................... is hardwired

Before i was able to spot an error, our internet was laggy as a result of a static IP with the router. the modem had its own ip and wireless capabilities without awareness of it. I had lots and lots of trouble port forwarding. Both of the devices tried to be "boss" and have their own IPs.
Laptop~~~~~~~~~~~~~~~~~~802.11ac 2.4Ghz WIFI(router) Has Seperate IP)..............................Modem w/ seperate IP

Desktop.............................................router [own ip]....................................................................................Modem[seperate ip]

New Setup.

Laptop~~~~~~~~~~~~~~~~~~~~~~802.11ac 5ghz wifi FROM MODEM

Desktop.....................................................Modem

USAFRet · Apr 7, 2016

"New setup"
You have 1 or 2 'modems' ?

What is the make/model of this? Because a 'modem' generally does not do WiFi.
How many ports are on the back of this thing?

AMDRazer · Apr 7, 2016

USAFRet :

The new setup is the same as the old one. It just got rid of the router intercepting in between everything

and- the modem is made by Arris, it has 4 ports on the back.

USAFRet · Apr 7, 2016

AMDRazer :

Then it is not just a modem. It is a modem/router.
A true modem would only have 1 port, to talk to a router.

AMDRazer · Apr 7, 2016

USAFRet :

AMDRazer :

Then it is not just a modem. It is a modem/router.
A true modem would only have 1 port, to talk to a router.

Oh- okay. Thanks for clarifying. But can you explain why this is occuring?

AMDRazer · Apr 7, 2016

USAFRet :

AMDRazer :

Then it is not just a modem. It is a modem/router.
A true modem would only have 1 port, to talk to a router.

Oh- okay. Thanks for clarifying. But can you explain why this is occuring?

USAFRet · Apr 7, 2016

AMDRazer :

Connected to this Arris, can each system obtain an IP address, and see the outside world?

The issue exists when trying to connect to a minecraft server?
If the server is on the laptop, the desktop can connect?
And if the server is on the desktop, the laptop cannot connect?

Is this correct?

That would point to a configuration error on the desktop minecraft server.

AMDRazer · Apr 7, 2016

USAFRet :

AMDRazer :

Connected to this Arris, can each system obtain an IP address, and see the outside world?

The issue exists when trying to connect to a minecraft server?
If the server is on the laptop, the desktop can connect?
And if the server is on the desktop, the laptop cannot connect?

Is this correct?

That would point to a configuration error on the desktop minecraft server.

Everything is correct. How do I remedy this configuration error?

USAFRet · Apr 7, 2016

AMDRazer :

Something in the desktop server config is not quite right. No idea what it is, but that is where I would look.

James Mason · Apr 8, 2016

The port forwarding on the router would be wrong is what I would imagine.
The router (or the old router was) is properly setup to forward the minecraft ports to the laptop, but not the desktop.

Servers (hosts) need to always be on the same machine/ip/port and if you change them you have to redo the entire setup.

The port forwarding has to be the same on the router and the computer host. You may have to turn off Windows Firewall completely to test it, as it's likely blocking the incoming connections.
http://minecraft.gamepedia.com/Tutorials/Setting_up_a_server
http://windows.microsoft.com/en-us/windows/open-port-windows-firewall#1TC=windows-7

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Windows 10 Pc sees Win 8 LAN server but not vice versa (Minecraft)

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