Database Corruption SQL Errors – 823, 824, 825
These alerts are focussed on successful access(IO) to the hard drives that SQL Server is using. If there are any errors when reading or writing to the drives then one of these errors will be returned. Having the alerts on these errors means that any IO issues will be brought to the DBAs attention well... » read more
SQL Error 1205 Transaction was deadlocked
Error 1205 : Transaction (Process ID) was deadlocked on resources with another process and has been chosen as the deadlock victim. Rerun the transaction. Deadlock occurs when two users have locks on separate objects and each user wants a lock on the other’s object. When this happens, SQL Server ends the deadlock by automatically choosing... » read more
SQL Alerts
Events are generated by SQL Server and entered into the Microsoft Windows application log. SQL Server Agent reads the application log and compares events written there to alerts that you have defined. When SQL Server Agent finds a match, it fires an alert, which is an automated response to an event. In addition to monitoring... » read more
Move a TDE Protected Database to Another SQL Server
Sources: https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/move-a-tde-protected-database-to-another-sql-server?view=sql-server-ver15
Restore Database Master Key and Certificate
Database Restore Without Valid Certificate Database Restore of backup file will fail without valid certificate. Msg 33111, Level 16, State 3, Line 60 Cannot find server certificate with thumbprint ‘0xCC4472D721418B759E36A04034F0C2A95EE68DD6’. Msg 3013, Level 16, State 1, Line 60 RESTORE DATABASE is terminating abnormally. Restore Master Key and Certificate You also need to restore the Master... » read more
Remove Certificate
Note: Need to remove all current database using certificate before you can drop the certificate. Once the certificate is removed, all database restore of encrypted database will fail. Restore Database without Certificate Msg 33111, Level 16, State 3, Line 60 Cannot find server certificate with thumbprint ‘0xCC4472D721418B759E36A04034F0C2A95EE68DD6’. Msg 3013, Level 16, State 1, Line 60... » read more
Database Certificate
Note: Certificate is different for different databases. USE master database for TDE certificate. If expiration date not specified, default to 1 year. Note that there are several certificates listed, including one that looks like it’s for authentication (##MS_SQLAuthenticatorCertificate##). This is where SQL Server stores its certificates, in the master database. Obviously, if you create an... » read more
Database Master Key (DMK)
Note: Is is the Database Master Key (DMK). It is not the Service Master Key (SMK). 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. Database master key is stored in both... » read more
Service Master Key (SMK)
Note: This is for Service Master Key (SMK). This is not the same as Database Master Key (DMK). The service master key is the root of the SQL Server encryption hierarchy. The service master key directly or indirectly secures all other keys in the tree. If a dependent key cannot be decrypted during a forced... » read more