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 20619.
Error number: 20619
Severity level: 16
Event logged: Server user ‘%s’ is not a valid user in database ‘%s’. Add the user account or ‘guest’ user account into the database first.