Invalid session means Mojang/Microsoft could not verify your login token. Sign out everywhere, restart the launcher, and sign in again.
Usually client-sideUpdated 2026-06-12
Invalid session on servers
Cracked clients and session mods cause this on online servers — use a licensed account for multiplayer.
How to fix step by step
- 1Sign out of the Minecraft Launcher and microsoft.com sessions.
- 2Restart the launcher and sign in again.
- 3Check Xbox Live / Microsoft account status.
- 4Disable VPN.
- 5Clear launcher cache.
- 6Reinstall the launcher if the error persists on a licensed account.
How INVALID-SESSION differs from related codes
- Error AUTHENTICATION-SERVER-DOWN: Minecraft could not reach Microsoft authentication services to sign in. (server or client)
- Error DISCONNECTED: Minecraft ended your multiplayer session with a generic disconnected message. (server or client)
- Error FAILED-TO-CONNECT: Minecraft Java or Bedrock could not reach the multiplayer server. (server or client)