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The account is currently locked, so user 'sa 'logon fails. The system administrator cannot unlock the account. (Microsoft SQL Server, error: 18486)

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The account is currently locked, so user 'sa 'logon fails. The system administrator cannot unlock the account. (Microsoft SQL Server, error: 18486)

 

1. If the connection is not interrupted for a short period of time, it will be mistaken by SQL Server as an attack and the account will be locked.

Log on to the analyzer in windows and enter:

SQL Code

Alter login SA enable;

GoAlter login SA with Password = ''unlock, check_policy = OFF, check_expiration = off;Go

2. Leave the password blank and restart sqlserver to log on.

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