Waitopedia is a comprehensive resource of information about SQL Server waits.

The description shown below is the top answer as voted by the Spotlight community.

The charts are based on 2.1 TB of data collected from 4207 instances uploaded by 323 Spotlight users over an 8 week period.


Category: Other
SQL Server versions: 2012, 2014, 2016, 2017


1 Answer


Occurs when a background task is waiting for the termination of the background task that receives (via polling) Windows Server Failover Clustering notifications. Information from Microsoft®


This wait has never occurred recently

PWAIT_HADR_CHANGE_NOTIFIER_TERMINATION_SYNC has not occurred recently on 4207 instances checked.

Prevalence of PWAIT_HADR_CHANGE_NOTIFIER_TERMINATION_SYNC across the Spotlight Population