Error
Error Code:
1043
MySQL Error 1043: Bad Handshake Connection
Description
This error signifies a failure during the initial communication (handshake) between a MySQL client and the MySQL server. It typically occurs when the client cannot establish a secure or compatible connection with the server, often due to network issues, authentication problems, or misconfigured server settings.
Error Message
Bad handshake
Known Causes
4 known causesIncompatible Protocols
The client and server might be using different or unsupported communication protocols, preventing a successful handshake.
Network Obstruction
Firewalls, incorrect IP addresses, or network latency can block or interfere with the client's attempt to connect to the MySQL server.
Authentication/SSL Mismatch
The client might be attempting to connect with incorrect user credentials, an unsupported authentication plugin, or an SSL configuration that the server rejects.
Server Configuration
Misconfigured server settings, such as `bind-address`, `max_connections`, or `wait_timeout`, can prevent clients from establishing a connection.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service