Navicat for MySQL连接MySQL8.0时报1251错误

╰+哭是因爲堅強的太久メ 2022-05-22 09:06 333阅读 0赞

## 关于Navicat连接MySQL8.0报1251错误 ##

今天下了个 MySQL8.0，发现Navicat连接不上，总是报错1251；

原因是MySQL8.0版本的[加密][Link 1]方式和MySQL5.0的不一样，连接会报错。

![70][]

**解决方法**

**        首先进到命令窗口 按步骤执行命令**

**   **

1.先通过管理员身份命令行进入[mysql][]的root账户：

PS C:\Windows\system32> mysql -uroot -p

再输入root的密码：

Enter password: ******

Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL conne ction id is 18 Server version: 8.0.11 MySQL Community Server - GPL Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

2.更改加密方式：

mysql> ALTER USER ’root’@’localhost’ IDENTIFIED BY ’password’ PASSWORD EXPIRE NEVER;

Query OK, 0 rows affected (0.10 sec)

3.更改密码：

mysql> ALTER USER ’root’@’localhost’ IDENTIFIED WITH mysql_native_password BY ’password(这里写你root的密码)’;

Query OK, 0 rows affected (0.35 sec)

4.刷新：

mysql> FLUSH PRIVILEGES;

Query OK, 0 rows affected (0.28 sec)

简单来说就是登陆MySQL的root执行下面三句

`ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; #修改加密规则  ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password(你的root密码)'; #更新一下用户的密码  FLUSH PRIVILEGES; #刷新权限`

// 如果报错ERROR 1396 (HY000): Operation ALTER USER failed for &\#39;root&\#39;@&\#39;%&\#39;：

则是远程访问权限不正确，先选择[数据库][Link 2]，查看一下再更改

[Link 1]: https://m.2cto.com/article/jiami/
[70]: /images/20220522/1f1daadc759e499fbc16af8ca4f3df53.png
[mysql]: https://m.2cto.com/database/MySQL/
[Link 2]: https://m.2cto.com/database/