![]() ![]() It is also essential to verify the SQL Server version. If you wish to enable compressed backup configuration at the instance level, you can modify the value for the parameter backup compression default to 1. It shows that we have not enabled the backup compression at the instance level. We can verify the default backup compression configuration using the sp_configure. It shows that the database master key protects the. It shows all certificates in the master database along with the start and expiry date. We can view the certificate information using the sys.certificates. Here, we verify that the TDE certificate protects the database. Before we proceed further, let’s verify that TDE is enabled for my availability group database. Usually, for a SQL database, we take compressed backups, and it works well for you in saving the disk space. Synchronization mode: Synchronized with automatic failoverĬompressed backup for a TDE enabled database In this article, we will use the following database environment for demonstration purposes. ![]() Note: The solution in this article works well with the standalone and availability group TDE enabled database. Does backup compression work for a TDE enabled database in SQL Server Always On Availability Group? What are the options and improvements in different SQL versions? Let’s explore these questions in this article. We can take compressed backup for a SQL database starting from SQL Server 2008. It does not encrypt the data instead, it focuses on data file security. ![]() To enable the TDE on the existing AG database, we created a database encryption key, certificate, master key for data protection. It uses the Advanced Encryption Standard (AES) for encryption purposes. TDE protects the physical database, log, backup files using the IO encryptions. In this article, we will explore options for a compressed backup of a TDE database. In the previous article, Transparent Data Encryption for SQL Server Always On Availability Groups, we discussed enabling TDE for the existing database in AG. ![]()
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