The Availability Group Synchronization Performance (Seconds) alert indicates the time required in seconds to complete synchronization between the primary and secondary replicas.
For more information on configuring alerts and setting thresholds, see.
Enable baseline thresholds
To enable alerting when this metric is outside its established baseline, click the Baseline Thresholds Enabled (as percentage of baseline) check box in the Alert Configuration window.
Create an alert response bundle
Create an alert response bundle with the Availability Group Synchronization Performance (Seconds) alert and related alerts. For additional information, see Create alert response bundles.