How do I backup and restore service master key in SQL Server?

How do I reset my service master key?

To restore the service master key Retrieve a copy of the backed-up service master key, either from a physical backup medium or a directory on the local file system. In Object Explorer, connect to an instance of Database Engine.

Where is the database master key stored?

Database master key It is stored in both the database where it is used and in the master system database. The copy of the DMK stored in the master system database is silently updated whenever the DMK is changed.

How do I restore a SQL Server database with a certificate?

To restore a backed up certificate, with or without the private key, use the CREATE CERTIFICATE statement. To restore a private key to an existing certificate in the database, use the ALTER CERTIFICATE statement. When performing a backup, the files will be ACLd to the service account of the SQL Server instance.

What is SQL Server Master key?

The top-level resource in the SQL Server encryption hierarchy is the Service Master Key, which is encrypted by the Windows Data Protection API and created the first time a newly-created key needs to be encrypted. Second in line is the Database Master Key. This key can be used to create certificates and asymmetric keys.