SQL Server error 18456 cannot connect – SQL Server 2017 LOGIN FAILED ERROR 18456
Normally error code comes up with a description that gives us a hint about what has gone wrong. But in this case of SQL Server error 18456 on screen, no cause of login failure is displayed. This is an intended development of the application in order to have protection against unauthorized users hacking the server on basis of guess information. However, the administrator can check out the event log in order to get details about occurrence of SQL Server error 18456.
Cause of this error of Microsoft SQL Server login failed error 18456:
1: At the time of Server login, if … Read the rest