Symptoms

Assume that you perform a transaction log backup on the Availability Replicas for an AlwaysOn availability group in SQL Server 2012 or 2014. If the backup fails on the secondary replica, a backup lock is held on the primary replica. Therefore, subsequent transaction log backups are also unsuccessful.

Resolution

Update information

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

Cumulative Update 1 for SQL Server 2014 SP2

Cumulative Update 4 for SQL Server 2012 Service Pack 3

Cumulative Update 8 for SQL Server 2014 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 terminology that Microsoft uses to describe software updates.

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