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 18326.
Error number: 18326
Severity level: 10
Event logged: Reason: Failed to open the database for this login while revalidating the login on the connection.