Server Version: 1.21.100.7
Server Build ID35767061
Server Branch: hotfix_21_u10
Server Commit ID: 98aaa32f94e0440ba67be562ccf07fefefbac0d9
Steps to Reproduce:
1 - Updated server to latest version of Minecraft Server 1.21.100.7
2a - Players logging in via Switch get the indicated error
2b - Players logging in via PC get the indicated error
3a - Switch version is set to 1.21.100
3b - PC Bedrock client is set to 1.21.100
Observed Results:
Switch/PC users get the above message.
Expected Results:
Switch/PC users should be able to join. Prior to this update, they were able to.
This was the information from my Survival server:
Survival
Version: 1.21.100.7
[2025-08-29 18:49:18:178 INFO] Session ID: 28d8b4a1-b5de-4d4e-bc53-7166b9664bb7
[2025-08-29 18:49:18:178 INFO] Build ID: 35767061
[2025-08-29 18:49:18:178 INFO] Branch: hotfix_21_u10
[2025-08-29 18:49:18:178 INFO] Commit ID: 98aaa32f94e0440ba67be562ccf07fefefbac0d9
This is after I updated survival today:
Version: 1.21.102.1
[2025-08-29 19:15:31:573 INFO] Session ID: e27fb2a4-b23e-4f13-a67a-401d8cc7bc10
[2025-08-29 19:15:31:573 INFO] Build ID: 36160546
[2025-08-29 19:15:31:573 INFO] Branch: r/21_u10
[2025-08-29 19:15:31:573 INFO] Commit ID: 468d0e14b95e8c003f79d1a82cdaa729522efab6
Still no change.
I spun up a new server without anything from the old one to see if the Switch would connect.
Version: 1.21.102.1
Build ID: 36160546
Branch: r/21_u10
Commit ID: 468d0e14b95e8c003f79d1a82cdaa729522efab6
Same error message.
I tried to change the port, with no effect on the Switch being able to connect.
This is still an issue.