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Can we restore master database?
The SQL Server master database cannot be restored like other user or system databases because SQL Server cannot execute without an active master database. While it is rare to need to restore a SQL Server master database, if that need arises it is imperative that a DBA be prepared for the situation.
How do I restore a SQL master database?
How to Recover the Master Database in SQL Server 2012
- Stop instance.
- Open command prompt.
- Run –m, DO NOT CLOSE WINDOW.
- Open sqlcmd.
- Restore master from file WITH REPLACE (Note: Windows will close, do not panic!)
- Restart instance.
How do I restore master database in single user mode?
To restore the master database
- Start the server instance in single-user mode.
- To restore a full database backup of master, use the following RESTORE DATABASETransact-SQL statement:
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.
Where do I back up MY SQL master key?
We recommend that you back up the master key as soon as it is created, and store the backup in a secure, off-site location. Requires CONTROL permission on the database. In SQL Server Management Studio, connect to the SQL Server instance containing the database master key you wish to back up.
How to restore a certificate from a backup file?
Execute the following script on the destination server to create the master key. replace it with the password of your choice. Once the master key is created, restore the certificate using backup file and the private key. Execute the following T-SQL script to restore the certificate from the backup file.
Can a SQL Server restore the master database?
SQL Server creates the service master key at installation; thus while restoring the master database to a different instance will also restore items 2 and 3, the necessary key (s) to decrypt them will not be present. Result: unreadable data.