![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/SNAGHTML1d5b769e.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 solve – “Login failed for user 'sa'. Microsoft SQL Server, Error: 18456” | A Developer's Blog How to solve – “Login failed for user 'sa'. Microsoft SQL Server, Error: 18456” | A Developer's Blog](https://loknathblog.files.wordpress.com/2010/09/1.jpg)
How to solve – “Login failed for user 'sa'. Microsoft SQL Server, Error: 18456” | A Developer's 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/SNAGHTML1d3c8af8.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
![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)