背景：
新建了用户，没有取消掉强制密码策略
修改掉策略报错
错误：
The CHECK_POLICY and CHECK_EXPIRATION options cannot be turned OFF when MUST_CHANGE is ON.
使用代码修改：
USE Master
GO
ALTER LOGIN [somelogin] WITH PASSWORD = ‘samepassword’
GO
ALTER LOGIN [somelogin] WITH
CHECK_POLICY = OFF,
CHECK_EXPIRATION = OFF;
