FIX: The SEEDING_MODE setting is ignored when you add an AlwaysOn AG replica to an existing AG in SQL Server 2016

Applies to: SQL Server 2016 DeveloperSQL Server 2016 EnterpriseSQL Server 2016 Enterprise Core

Symptoms


When you add an AlwaysOn availability replica to an existing availability group, the setting that you specified for the SEEDING_MODE option is not respected. For example, you set SEEDING_MODE = AUTOMATIC. However, SEEDING_MODE = MANUAL is used instead.

Resolution


The issue was first fixed in the following cumulative update of SQL Server:

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 terminology that Microsoft uses to describe software updates.