What is service master key?

What is master key in database?

The database master key is a symmetric key used to protect the private keys of certificates and asymmetric keys that are present in the database. When it is created, the master key is encrypted by using the AES_256 algorithm and a user-supplied password.

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.

How do I create a service master key?

The service master key is automatically created when you create a key that needs it, usually a database master key. So there is no CREATE SERVICE MASTER KEY command. This key is encrypted and protected by the Windows DPAPI and the linked to the SQL Server service account.

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.