When you use parallel redo instead of single thread redo in a secondary replica of a SQL Server 2016 AlwaysOn Availability Group, you may receive an assertion.
To work around this issue, use a single thread redo instead of a parallel redo.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 3200975 - Last Review: Nov 17, 2016 - Revision: 1
Microsoft SQL Server 2016 Developer, Microsoft SQL Server 2016 Enterprise, Microsoft SQL Server 2016 Enterprise Core