As a DBA you regularly schedule backups you might have regular full backups, incremental backups and hopefully regular backups. Over time you might realize that your error log is not longer filled with errors, but instead a majority of your error log is filled with backup messages. “Backup Database successfully … “, “Database backed up…”, “Log was backed up”. This makes it a bit difficult to find the actual errors in this flood of backup messages. Your error log is no longer an error log, but it looks more like a backup log.
Trace Flag 3226
Trace flags in SQL Server or switches or parameters that can be used to turn on or off different features. If you use trace flag 3226 this will turn off all successful backup messages being written to the error log.