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: Idle
SQL Server versions: 2012, 2014, 2016, 2017

This is an idle wait and so it can be safely ignored.


1 Answer


An append, replace, and/or remove operation is waiting to grab a write lock on an AlwaysOn internal list (such as a list of networks, network addresses, or availability group listeners). Internal use only Information from Microsoft®


This wait has never occurred recently

PWAIT_HADR_CLUSTER_INTEGRATION has not occurred recently on 4207 instances checked.

Prevalence of PWAIT_HADR_CLUSTER_INTEGRATION across the Spotlight Population