FIX: Fail to compress the backup file when INIT and COMPRESSION option is used in a TDE enabled database in SQL Server 2016

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

Symptoms


Assume that you enable Transparent Data Encryption (TDE) for a database in Microsoft SQL Server 2016. You try to backup the database by using the BACKUP DATABASE T-SQL statement that has both COMPRESSION and INIT option specified. In this scenario, you may notice that the existing backup file is overwritten by the new backup file, and the new backup file is not compressed.

Resolution


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

       Cumulative Update 7 for SQL Server 2016 RTM

       Cumulative Update 4 for SQL Server 2016 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.