login failed信息详情
登录失败
failed───adj.已失败的，不成功的；v.失败，不成功（fail的过去式和过去分词）
phase failed───阶段失败
failed to verify login info───验证登录信息失败
transaction failed───交易失败
authenticate failed───用户身份验证失败（failed是fail的过去式和过去分词）
authentication failed───认证失败
elaboration failed───精化失败
assertion failed───断言失败
to failed───不及格；失败；失效
Session activities (login, logout, timed out, login failed).───会话活动(登录、注销、超时、登录失败)。
As an example, our login page displayed an "invalid login" message if login failed.───举例来说，如果登录失败，那么登录页面将显示一条“invalid login”消息。
Notice that login failed for user "(in other words, no login name is specified)."───注意，登录失败的原因是user ' '(换句话说，没有指定登录名)。
If you are getting a "Login failed" message, it is possible that the server is not started yet.───如果您看到一个“登陆失败”的消息，很可能是服务器还没启动。
As an example, our login page displayed an "invalid login" message if login failed.───举例来说，如果登录失败，那么登录页面将显示一条“invalidlogin”消息。
Sorry; your user name is unknown or your password is incorrect. Login failed.───抱歉，您的用户名称未知或您的密码不对。登录失败。
The Audit Login Failed event class indicates that a user tried to log in to Microsoft SQL Server and failed.───AuditLoginFailed事件类指明用户尝试登录到MicrosoftSQLServer但却失败了。
Connection error, where login failed due to unknown user name or bad password───连接错误，由于未知用户名或密码错误导致登录失败