Sql server backup service master key5/31/2023 CREATE MASTER KEY ENCRYPTION BY PASSWORD 'SomeT4stPssword' Once this is complete, we can load. Unfortunately, every time that I fail over the DB, I have to run one of the two scripts. We create the master key with a password, which you need to be sure is saved and protected. The ServerAsymmetricKey option in DatabaseBackup uses the ENCRYPTION and SERVER ASYMMETRIC KEY options in the SQL Server BACKUP command. OPEN MASTER KEY DECRYPTION BY PASSWORD = 'My_encryption_key' ĪLTER MASTER KEY DROP ENCRYPTION BY SERVICE MASTER KEYĪLTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY .): When a database is first attached to a new instance of SQL Server, a copy of the Database Master Key (encrypted by the Service Master Key) is not yet stored. I also tried to use this other script after failing over to see if I could finally insert the Master Key and solve for all the issue. If it is encrypted with the service master key, the master key does not have to be. WITH ENCRYPTION BY PASSWORD = 'My_encryption_key' The master key must be open and, therefore, decrypted before it is backed up. DROP SYMMETRIC KEY DataProtectionKeyĬREATE MASTER KEY ENCRYPTION BY PASSWORD = 'My_encryption_key'ĬREATE CERTIFICATE DataProtection WITH SUBJECT = 'Data Protection'ĬREATE SYMMETRIC KEY DataProtectionKey WITH ALGORITHM = AES_256 ENCRYPTION BY CERTIFICATE DataProtection Backup the DMK to this location if possible as well, so that you can recover the DMK if need be. backup the master key by using BACKUP MASTER KEY and store the backup in a secure and. And since the SMK is now the same between both replicas, the failover will be seamless. Encryption hierarchy Service Master Key SQL Server has two primary. This will re-encrypt anything already encrypted with the existing SMK with the restored SMK. I have a SQL Server 2019 Enterprise HA system that has a encrypted master key, and every time that I have to fail over to the secondary database (or vice n versa) I have to run this script in order to have the Secondary working after the failover. ALTER MASTER KEY REGENERATE WITH ENCRYPTION BY PASSWORD '' Once this has been done, record the new DMK password in a safe place, like a password safe. Take a backup of the service master key (SMK) from the secondary replica and restore it to the primary replica.
0 Comments
Leave a Reply. |