Users occasionally face "SQL Server Error 233," SQL Server Login Failed Error 233," or "Pipe Error 233" when accessing an MSSQL Database. This general connection issue requires testing various solutions, as the error message can vary.

To resolve SQL Server Login Failed Error 233, you can use the MS SQL Database Recovery Tool. With its user-friendly interface, even non-technical users can easily install and run the software to fix login issues. It is compatible with Windows 10, 8, 7, XP, Vista, and 2000.

Also, there are a few manual methods to resolve SQL Server error-233 by Enabling SQL server and Windows authentication, Check the default database, Shared Memory, TCP/IP there are a few more to know about more process and to understand all these process in detail you can refer to: https://www.databasefilerecovery.com/blog/fix-sql-server-error-233.html