SQL Server – Error 3154: The backup set holds a backup of a database other than the existing database

Sometime we faced the following error message while restoring the database

Error 3154: The backup set holds a backup of a database other than the existing database.

Solution:

Use WITH REPLACE while using the restore script as

Script 1

RESTORE DATABASE YourDB
FROM DISK = 'C:\YourDB.bak'
WITH REPLACE

 Script 2

-- Get the Logical file name of the database from backup.

RESTORE FILELISTONLY
FROM DISK = 'C:\YourDB.bak'
GO

RESTORE DATABASE YourDB
FROM DISK = 'C\:YourDB.bak'
WITH MOVE 'YourDB_Data' TO 'C:\Database\YourDB.mdf',
MOVE 'YourDB_Log' TO 'C:\Database\YourDB.ldf',
REPLACE

Or

Delete the older database which is conflicting and restore again. It will work.

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