How do I restore a SQL Server TDE database?

How do I restore a SQL Server TDE database?

Restoring Transparent Data encryption (TDE) enabled database backup to a different server

1. Backup the certificate on the source server.
2. Copy the backup file and create a certificate from the file.
3. Restore the database backup.

Do TDE certificates expire?

Do not panic, a certificate used in TDE will continue to work even after its expiration date. The certificate which is stored in the master database is used to secure and protect the DEK. Hence, this explains why data at rest encrypted with TDE will still work even after the certificate used in TDE has expired.

How do I restore a database in SQL?

Procedure

1. Log in to the computer on which you want to restore the database.
2. Open Microsoft SQL Server Management Studio.
3. In the left navigation bar, right-click on Databases and then click Restore Database.
4. In the Source section, select Device and click the button with three dots.

How do I drop a TDE certificate in SQL Server?

The following the steps will take a database out of TDE and then clear the log file:

1. Alter the database to have the ENCRYPTION option set to the value of OFF.
2. Wait until the decryption process is complete.
3. Drop the database encryption key for the database.
4. Truncate the database log file.

How do I find certificates in SQL Server?

In SQL Server Configuration Manager, in the console pane, expand SQL Server Network Configuration. Right-click Protocols for , and then select Properties. Choose the Certificate tab, and then select Import. Select Browse and then select the certificate file.

How to restore a TDE enabled database backup?

If we try to restore a TDE enabled database backup on a different server it throws error “Cannot find server certificate with thumbprint”. We need the certificate which was used to encrypt the database to restore the backup on a different server.

How to configure a SQL Server database for TDE?

Configuring a SQL Server database for TDE is a straight-forward process. It consists of: Creating the database master key in the master database. Creating a certificate encrypted by that key. Backing up the certificate and the certificate’s private key.

Is there a way to restore a TDE certificate?

GO — Though this certificate has the same name, the restore won’t work CREATE CERTIFICATE TDECert WITH SUBJECT = ‘TDE Cert for Test’; GO — Since we don’t have the corrected certificate, this will fail, too.

How do you restore a transparent data encryption database?

Copy the backup file and the private key file to the server where you are going to restore the Transparent data encryption (TDE) enabled database backup. Check if you have a master key on the master database already, create one if you do not have it. In this case, I do not have the master database key on the destination server.