Cannot recover the master database. SQL Server is unable to run. Restore master from a full backup, repair it, or rebuild it. For more information about how to rebuild the master database, see SQL Server Books Online.
SQL Server cannot start the master database. If the master or tempdb cannot be brought online, SQL Server cannot run. This error is usually preceded by other errors. Review error logs to find the root cause.
Restore backup of the database or repair the database.