![How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog](https://itproguru.com/wp-content/uploads/2014/09/image_thumb10.png)
How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog
![How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog](https://itproguru.com/wp-content/uploads/2014/09/image14.png)
How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog
![SQL SERVER - FIX Error 18456, Severity: 14, State: 5. Login failed for user - SQL Authority with Pinal Dave SQL SERVER - FIX Error 18456, Severity: 14, State: 5. Login failed for user - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/c/login-failed-18456-02.jpg)
SQL SERVER - FIX Error 18456, Severity: 14, State: 5. Login failed for user - SQL Authority with Pinal Dave
![connection - Microsoft SQL Server, Error: 18456 by login with "sa" through SQL Server Authentication - Stack Overflow connection - Microsoft SQL Server, Error: 18456 by login with "sa" through SQL Server Authentication - Stack Overflow](https://i.stack.imgur.com/ar9us.png)
connection - Microsoft SQL Server, Error: 18456 by login with "sa" through SQL Server Authentication - Stack Overflow
![How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog](https://itproguru.com/wp-content/uploads/2014/09/image_thumb11.png)
How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog
![SQL SERVER - FIX Error 18456, Severity: 14, State: 6. Login failed for user - SQL Authority with Pinal Dave SQL SERVER - FIX Error 18456, Severity: 14, State: 6. Login failed for user - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/a/state06-01.jpg)
SQL SERVER - FIX Error 18456, Severity: 14, State: 6. Login failed for user - SQL Authority with Pinal Dave
![How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog](https://itproguru.com/wp-content/uploads/2014/09/image_thumb13.png)
How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio – ITProGuru Blog
![connection - Microsoft SQL Server, Error: 18456 by login with "sa" through SQL Server Authentication - Stack Overflow connection - Microsoft SQL Server, Error: 18456 by login with "sa" through SQL Server Authentication - Stack Overflow](https://i.stack.imgur.com/SWEcq.png)