Solved - Microsoft migration issue using the FTB App

ATLauncher - Help - How to add an account

Minecraft Microsoft Account Requirement Announced by Mojang

Minecraft account migration last date is next week

Migrating my Minecraft account - Microsoft Community

Microsoft Gives Minecraft: Java Edition Players A Deadline To Migrate Accounts

Can't play multiplayer after account migration - Java Edition Support - Support - Minecraft Forum - Minecraft Forum

Feed The Beast on X: It's nearly time everyone! Make sure to migrate your Minecraft Java account over to Microsoft. Don't panic if it's not working, you can contact their support team

Minecraft account migration, something went wrong : r/Minecraft

Account Migration Authentication Error - Xbox Game Pass for PC

How To Migrate a Mojang Account to a Microsoft Account - Knowledgebase - MelonCube