# Error 1129: Host is blocked because of many connection errors

| Error Code | SQLSTATE | Error                 | Description                                                                                   |
| ---------- | -------- | --------------------- | --------------------------------------------------------------------------------------------- |
| 1129       | HY000    | ER\_HOST\_IS\_BLOCKED | Host '%s' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' |

## Possible Causes and Solutions

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