How to Repair Microsoft SQL Server ‘Error: 18456’ – Login Failed Issue
In this article, you will learn how to determine which user has administrative rights on the server and how to configure SQL Server step by step so that other users can log in to SQL Server as administrators. The common message “Login Failed for User (Microsoft SQL Server, Error: 18456)” means that you entered invalid login information when connecting to SQL Server.
Microsoft SQL Server (MSSQL) login errors are a fairly common problem and can be easily resolved by following some basic troubleshooting steps. Before we get into the details of the error, we should look at the details of the error to determine the cause of the error.