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SQL Server is a relational database management system developed by Microsoft to store, retrieve, and edit data. SQL stands for Server Query Language and is used to retrieve and manipulate data from the database.

Professional Tool to Restore Master Database in SQL Server Without Backup.

Are DIY Solutions to Rebuild Master DB in SQL Server?.

How to Restore Master Database in SQL Server Without Backup.

For more information, see Use the sqlcmd Utility. In single-user mode, we recommend that you enter the RESTORE DATABASE statement in the sqlcmd utility. The existing database, if any, is deleted. The REPLACE option instructs SQL Server to restore the specified database even when a database of the same name already exists. To restore a full database backup of master, use the following RESTORE DATABASETransact-SQL statement: RESTORE DATABASE master FROM WITH REPLACE

For more information, see Rebuild system databases.Ĭonnect to SQL Server using SQLCMD from another Command Prompt window SQLCMD -S -E -d master If the SQL Server instance can't start due to a damaged master database, you must rebuild the system databases first.

-c starts SQL Server as an application to bypass Service Control Manager to shorten startup time.

For a default instance name, use -s MSSQLSERVER.

The -mSQLCMD parameter ensures that only sqlcmd can connect to SQL Server.

For more information about startup parameters, see Database Engine Service Startup Options.įrom a command prompt, run the following commands, and make sure you replace MSSQLXX.instance with the appropriate folder name: cd C:\Program Files\Microsoft SQL Server\MSSQLXX.instance\MSSQL\Binn You can start SQL Server by either using the -m or -f startup parameters. Start the server instance in single-user mode. Doing otherwise might result in undefined SQL Server instance behavior, with inconsistent feature support, and is not guaranteed to be viable. At a minimum, this recovery instance should be the same version, edition, and patch level, and it should have the same selection of features and the same external configuration (hostname, cluster membership, and so on) as the original instance. In the event of disaster recovery, the instance where the master database is being restored to should be as close to an exact match to the original as possible.