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Can You restore an encrypted backup to another instance?
If you are restoring the encrypted backup to a different instance, you must make sure that the certificate is available on that instance. If you are restoring a backup from a TDE encrypted database, the TDE certificate should be available on the instance you are restoring to.
Is it possible to encrypt a SQL Server Backup?
If you are using asymmetric key to encrypt the backup data, only asymmetric keys residing in the EKM provider are supported. SQL Server Express and SQL Server Web do not support encryption during backup. However restoring from an encrypted backup to an instance of SQL Server Express or SQL Server Web is supported.
Can You restore a SQL Server Backup without a certificate?
Without the certificate or asymmetric key, you cannot restore the backup, rendering the backup file unusable. Restoring the encrypted backup: SQL Server restore does not require any encryption parameters to be specified during restores.
What kind of encryption do I need for backup?
To encrypt during backup, you must specify an encryption algorithm, and an encryptor to secure the encryption key. The following are the supported encryption options: Encryption Algorithm: The supported encryption algorithms are: AES 128, AES 192, AES 256, and Triple DES.
Where do I store my encrypted SQL Server Backup?
Create a backup of the encryption certificate and keys to a location other than your local machine where the instance is installed. To account for disaster recovery scenarios, consider storing a backup of the certificate or key to an off-site location. You cannot restore an encrypted backup without the certificate used to encrypt the backup.
Do you need permission to backup an encrypted database?
The account that does backup operations on an encrypted database requires specific permissions. db_backupoperator database level role on the database being backed up. This is required regardless of encryption. VIEW DEFINITION permission on the certificate in master database.