[BDS-17739] Cannot connect to BDS on LAN as of 1.19.31 Created: 16/Oct/22  Updated: 02/Nov/22  Resolved: 02/Nov/22

Status: Resolved
Project: Bedrock Dedicated Server
Affects Version/s: 1.19.31 Hotfix
Fix Version/s: None

Type: Bug
Reporter: sadukie Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Environment:

VM Host:
Hyper-V
Windows Server 2016

VM:
Server OS: Ubuntu 20.04 LTS
BDS version: 1.19.31

Clients all have 1.19.31. Clients are coming in over Windows 11, Windows 10, and XBox.


Issue Links:
Duplicate
duplicates BDS-17307 Unable to connect to VM-hosted BDS on... Resolved
Confirmation Status: Unconfirmed

 Description   

Ever since we patched our BDS to 1.19.31, we haven't been able to connect to the hosted game over the LAN. In debugging, we see that it connects to the server and then Wireshark shows malformed packets. 

Things We've Tried

Spin up a new 1.19.31 world on the server: Ensuring we aren't trying to connect to a corrupted world file, so starting new - can't connect. We see the server as a joinable server under LAN games but get connection timeouts. From one client, we tried connecting under the Add Server option and that also got connection timeouts.

Intentional wrong server version on the LAN: can get the error of an outdated version, so no problems communicating there

Connecting from our clients to another player's shared game (over the Internet, non-LAN, non-BDS) with a 1.19.31 client: Works fine, so looks like it's isolated to BDS.



 Comments   
Comment by Maciej Piornik [ 02/Nov/22 ]

Thank you for your report!
We're tracking this issue in BDS-17307, so this ticket is being resolved and linked as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.

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Comment by sadukie [ 16/Oct/22 ]

After further investigation, this looks like an issue with Hyper-V and Linux VMs. The comment from Valiante on this issue got us back up and running: BDS-17307 Unable to connect to VM-hosted BDS on same machine - Jira (mojang.com)

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