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M
network protocol error
Easy Fix
Minecraft · Gaming
Version mismatch between your Minecraft client and the server you are trying to join
Quick Answer
Error code Network Protocol Error on your Minecraft Gaming means: Version mismatch between your Minecraft client and the server you are trying to join. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
MC-BEDROCK-MOBILEMC-BEDROCK-PSMC-BEDROCK-SWITCHMC-BEDROCK-WINMC-BEDROCK-XBOXMC-JAVA
Likely Causes
  1. Your client version does not match the server's Minecraft version
  2. The server recently updated but your client is still on the old version
  3. You are running a snapshot or beta build that the server does not support
  4. Mod loader version mismatch between client and server
How to Fix It
1
Check what version the server is running (often shown in the server list or on the server's website)
2
Switch to the matching version in the Minecraft Launcher under Installations
3
If using mods, ensure your mod loader (Forge/Fabric) version matches the server's requirements
4
Create a new installation profile in the launcher with the exact version the server requires
5
Update your client if the server has moved to a newer version
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Related Error Codes
Getsockopt ErrorError Code DrownedError Code 1Error 422C-0010
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