Symptoms

Assume that you use Distributed Availability Group (DAG) in Microsoft SQL Server 2016 and 2017. You run queries against sys.availability_replicas and other Availability Group (AG) related views. In this situation, you may receive an access violation (AV) error and send an alert to the system administrator.

Status

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

Resolution

This issue is fixed in the following cumulative updates for SQL Server:

About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

References

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

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