Assume that you use Always On Availability Groups (AG) in Microsoft SQL Server. When you set automatic seeding for secondary replica or Distributed Availability Group replica, access violations and unhandled exceptions may occur.
This issue is fixed in the following cumulative updates for SQL Server:
To work around this issue, use one of the following methods:
Do not use automatic seeding.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology that Microsoft uses to describe software updates.