Microsoft SQL Server database ranks third in the relational database, second only to Oracle and MySQL database. when using it, it is inevitable to encounter various problems and warnnings. You may be dba or a developer, I hope this content can help you solve SQL Server error number 18493.

Error number: 18493

Severity level: 16

Event logged: The user instance login flag is not supported on this version of SQL Server. The connection will be closed.%.*ls