P2P / SIG Error 100 101 - Windows Only

Matthew Fogleman

• January 23, 2024 13:39
• Edited
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We have Minecraft on MacOS, Chromebooks and Windows desktops. MacOS and Chromebook devices are able to successfully host a game and have others join it, while Windows workstations are not. All devices are on the same network, so it doesn't seem to be a network / firewall issue.

I've tried disabling Windows firewall on both machines, and disabling our AV.

Windows workstations are able to successfully create a game, but when another workstation goes to join they will get a "P2P / SIG Error" either 100 or 101.

Anyone seen this before?

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• 

  Jonathan black

  • April 18, 2024 14:07
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  Did you ever find a solution?

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• 

  Matthew Fogleman

  • April 18, 2024 16:13
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  Yeah it ended up being our content filter. We use Linewize and they had a predefined list of URLs needed for Minecraft Education, but it was incomplete. I created a custom list with the URLs from the official article and it worked.

  https://educommunity.minecraft.net/hc/en-us/articles/360047118992-FAQ-IT-Admin-Guide#allow

   

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