Quick Summary
The "Failed to login" error in Minecraft indicates that the game is unable to authenticate your credentials with the Minecraft servers. This typically means there's an issue verifying your username and password or communicating with the authentication service.
Common Causes
- Incorrect Login Credentials: The username (email or gamertag) or password entered may be incorrect. Even a small typo can cause login failure.
- Server Outage or Maintenance: Minecraft authentication servers may be temporarily down for maintenance or experiencing an outage, preventing login attempts.
- Internet Connection Issues: A poor or unstable internet connection can prevent Minecraft from connecting to the authentication servers.
- Firewall or Antivirus Interference: Firewall or antivirus software may be blocking Minecraft's access to the internet, preventing login.
- Corrupted Game Files: Damaged or corrupted Minecraft game files can sometimes interfere with the login process.
- Account Migration Issues: If you haven't migrated your Mojang account to a Microsoft account (if required), it can cause login failures. This is mostly for older accounts.
Step-by-Step Fixes
Method 1: Verify Login Credentials
Step 1: Double-check and ensure you're entering the correct username (email or gamertag) and password associated with your Minecraft account.
Step 2: If you're unsure of your password, use the "Forgot Password" option on the Minecraft website or launcher to reset it.
Step 3: Ensure that you are using the correct Microsoft Account if you have migrated your Mojang Account.
Method 2: Check Minecraft Server Status
Step 1: Visit the official Minecraft website or a third-party server status website (like Downdetector) to check if the Minecraft authentication servers are experiencing any outages or maintenance.
Step 2: If there is an outage, wait for the servers to come back online and try logging in again later.
Method 3: Check Internet Connection
Step 1: Ensure you have a stable internet connection. Try restarting your router or modem.
Step 2: Run an internet speed test to verify your connection speed is adequate.
Step 3: If using Wi-Fi, try switching to a wired connection (Ethernet) for a more stable connection.
Method 4: Disable Firewall/Antivirus Temporarily
Step 1: Temporarily disable your firewall or antivirus software.
Step 2: Try logging into Minecraft again.
Step 3: If it works, add Minecraft as an exception in your firewall/antivirus settings. Remember to re-enable your firewall/antivirus software after testing.
Method 5: Restart Minecraft Launcher and Game
Step 1: Close the Minecraft launcher and the game completely.
Step 2: Re-open the Minecraft launcher.
Step 3: Attempt to log in again.
Method 6: Reinstall Minecraft
Step 1: Uninstall Minecraft from your computer.
Step 2: Download the latest version of the Minecraft launcher from the official Minecraft website.
Step 3: Reinstall Minecraft and try logging in again.
Method 7: Account Migration Assistance
Step 1: If you have a Mojang account, ensure it's been migrated to a Microsoft account if prompted. Follow the instructions on the Minecraft website or Mojang's website to complete the migration process.
Step 2: If you're still encountering issues after migrating, contact Minecraft support for further assistance.