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 18343.

Error number: 18343

Severity level: 10

Event logged: Reason: Failed to retrieve database name or map database to an item while revalidating the login on the connection.