FIX: Error 19432 when you use Always On Availability Groups in SQL Server

Applies to: SQL Server 2017 DeveloperSQL Server 2017 EnterpriseSQL Server 2017 Enterprise Core

Symptoms


Assume that you use Always On Availability Groups in Microsoft SQL Server 2016 and 2017. After two duplicate log blocks are serialized, you receive an error message that resembles the following:

Resolution


This problem is fixed in the following update for SQL Server:

Cumulative Update 8 for SQL Server 2017

Cumulative Update 2 for SQL Server 2016 SP2

Cumulative Update 10 for SQL Server 2016 SP1

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


Learn about the standard terminology Microsoft uses to describe software updates.