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So I'm playing Astroneer on Windows 10 Store. My buddy is on the same platform and we can play BroForce and other games on the Game Pass all hassle free but no matter what ports we open/close/forward, no matter how hard we try, we always get Session Not Found on Astroneer. I've looked up a bit here and there and found that a lot of people are facing the same issue and have found no solutions.

Any suggestions would be more than appretiated.

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A Discord user was having this problem too.  Forwarding the following ports resolved their issue:

53,80,88,443,500,3074,3544,4500,27015

And apparently if you host a website, you're out of luck.

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On 7/11/2019 at 1:46 PM, Gina said:

A Discord user was having this problem too.  Forwarding the following ports resolved their issue:


53,80,88,443,500,3074,3544,4500,27015

And apparently if you host a website, you're out of luck.

Im having this issue right now... My friend is playing on xbox and I'm on win 10 and I can't join his session... we were able to play 2 months ago without any problem, any advice?

btw where or how can I forward the ports you mentioned? 

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On 6/4/2020 at 1:38 AM, MrPeeps said:

Im having this issue right now... My friend is playing on xbox and I'm on win 10 and I can't join his session... we were able to play 2 months ago without any problem, any advice?

btw where or how can I forward the ports you mentioned? 

Before you try port forwarding, have all people in the game follow these troubleshooting steps for the platform that applies to them:

Win10/Xbox Companion App Players: 
https://support.xbox.com/xbox-on-windows/social/server-connectivity-xbox-app-displays-blocked 
Xbox Console Players: 
https://support.xbox.com/xbox-one/networking/multiplayer-connection-error-solution 

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URLs not working... just displaying a blank page.

I have the same problem... i just wanna play coop but i cant join a game or someone to join me.
Any solution instead of forwarding ports?

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On 6/5/2020 at 8:45 AM, Gina said:

Before you try port forwarding, have all people in the game follow these troubleshooting steps for the platform that applies to them:

Win10/Xbox Companion App Players: 
https://support.xbox.com/xbox-on-windows/social/server-connectivity-xbox-app-displays-blocked 
Xbox Console Players: 
https://support.xbox.com/xbox-one/networking/multiplayer-connection-error-solution 

Both of those webpages no longer work, is there any more help on this? Both of us on game pass on PC can't play together and it's the whole reason we got gamepass.

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