localdb - Cannot restore database with .mdf extension in sql server -
i have back-up database localdb server .mdf file: c:\thesis - source code\sis-jen\sis\app_data\sis_db.mdf and backed-up extension of .bak : c:\thesis - source code\sis-jen\sis\app_data\sis_db.mdf.bak now, want restore back-up file new server(my pc/server), cannot restore using .bak file: c:\thesis - source code\sis-jen\sis\app_data\sis_db.mdf.bak i've got error: restore of database 'c:\thesis-source code\sis-jen\sis\app_data\sis.db.mdf' failed can me fix error? check restore statement - use [master] go restore database [sis_db] disk = n'd:\sis_db.bak' file = 1, move n'sis_db' n'd:\sis_db.mdf', move n'sis_db_log' n'd:\sis_db_log.ldf', nounload