Rebuild Master Database in SQL Server #Rebuild Wizard So, we recommend you take a full backup of the master database before proceeding with the next troubleshooting solutions, in case of any mishap. NOTE: It can be tricky to restore master database because it contains the information about all the databases in the instance and it is required to startup. The MDF file corrupted due to a virus, misoperation or hard disk errors.A sudden system shutdown makes the server unable to start.Reboot SQL server after a power surge, but failed.There are three scenarios, in general, in which you may need to apply either tool to get a server back to its initial health state. Being a Microsoft SQL server administrator, it's essential to know how to fix a corrupted master database with the tools already at hand, including the built-in Rebuild Wizard and third-party EaseUS MS SQL repair tool.īoth tools are supposed to help administrators deal with commonplace MS SQL server problems that need a rebuild, restore or recovery. When the master database gets deleted, corrupted or damaged in some way and cannot restore from the backup, then Microsoft SQL server would greatly break down. As we know, the MDF file (master.mdf) is the primary database file that contains schema and data, whereas the LDF file (mastlog.ldf) stores the parallel transaction logs. Introduction of Master Database Rebuild ToolsĪ master database plays an indispensable role in SQL server, because it's recognized as the primary configuration database, and it usually exists in forms of two files - an MDF file and an LDF file.
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