Outdated client blocks join until you update the launcher profile or change the server jar to match.
Usually client-sideLast verified: 2026-06-10
Launcher profiles
Java Edition uses per-profile versions — select the server version in the launcher before joining.
How to fix step by step
- 1Open Minecraft Launcher and select the correct game version profile.
- 2Update Bedrock from your platform store.
- 3Ask the server owner which version they run.
- 4Install the matching version via Installations tab (Java).
- 5Restart launcher after switching profiles.
- 6If Realms fails, check Microsoft service status.
How OUTDATED-CLIENT differs from related codes
- Error FAILED-TO-CONNECT: Minecraft Java or Bedrock could not reach the multiplayer server. (server or client)
- Error LOGIN-FAILED: Minecraft could not sign in to Microsoft account. (server or client)