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 15263.

Error number: 15263

Severity level: 16

Event logged: A SID in the security descriptor string ‘%s’ could not be found in an account lookup operation.