The Log Shipping - Primary Backup Job alarm is raised when the backup job on the primary database is not enabled.

This alarm alerts you to jobs that are inadvertently or otherwise disabled.

See also the SQL Server | High Availability drilldown | Primaries page | Transaction Log Shipping Primaries grid.

You can configure this alarm to ignore certain values. You can configure different alarm severities for specific primary databases. From the Spotlight Client see Configure | Alarms.