This article provides general troubleshooting for connection issues for Minecraft: Java Edition Realms. See: Minecraft Realms Plus Multiplayer Troubleshooting for information on Minecraft Realms Plus multiplayer issues.
In This Article
Minecraft: Java Edition Realms is a multiplayer service developed by Mojang Studios. Setup is quick and through the game client and allows for you and up to ten friends to play simultaneously.
You can learn more about Minecraft Realms at Minecraft.net/realms.
Minecraft: Java Edition Realms connection speeds can vary between individual players, devices, and networks. If you encounter connection or timeout errors in Realms, there are several things that you can do to attempt to resolve the issue.
- Close the realm and reopen it.
- Close Minecraft: Java Edition and reopen it.
- Restart your computer or device and see if this fixes the issue. Restarting can often clear errors in connections.
- Log out of your Microsoft or Mojang account, closing the game, and then log in again.
- If you are using a wireless connection, ensure that you have a stable connection to your router. You may need to reset or restart your router.
- Check your currently running programs for anything that is using your Internet bandwidth and close those programs.
- If you have a firewall, antivirus software, or are using a VPN, check the settings to be sure that it is not blocking or slowing your connection.
- Configure your router to use moderate or open Network Address Translation (NAT).
- If you’re on a stationary device, try connecting using an Ethernet cable instead of using Wi-Fi.
- Try reverting to a previous save of your world through your Realm’s backup menu.
- Switch the world slot and open a new world.
Client Outdated error message
When trying to play Minecraft: Java Edition Realms, this error message means that you're using an older game version. To fix this, you must update your game to the latest version of Minecraft.
For information on how to change your game version to the latest full release, see Changing Game Versions.
Invalid session ID
This error can easily be fixed by logging out of the game and back in to refresh your session ID. This also applies to the same error being displayed when starting the game.
Realms Error (429)
When this issue occurs, try to switch your network to another network or do a general router reset/restart. This issue is occasionally seen with users who are using VPNs. If you are using a VPN, try to restart your VPN or reroute it.
Didn’t Find the Answer?
The troubleshooters above are general but work on most issues. If you If you have other technical issues with your Realm, contact Minecraft Support, briefly describe the issue, provide the name of the Realm, and your Minecraft username.