In this blog post, let’s learn about the error message “3266 – The backup data at the end of “%ls” is incorrectly formatted. Backup sets on the media might be damaged and unusable. To determine the backup sets on the media, use RESTORE HEADERONLY. To determine the usability of the backup sets, run RESTORE VERIFYONLY. If all of the backup sets are incomplete, reformat the media using BACKUP WITH FORMAT, which destroys all the backup sets.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.
SQL Server Error Message
3266 – The backup data at the end of “%ls” is incorrectly formatted. Backup sets on the media might be damaged and unusable. To determine the backup sets on the media, use RESTORE HEADERONLY. To determine the usability of the backup sets, run RESTORE VERIFYONLY. If all of the backup sets are incomplete, reformat the media using BACKUP WITH FORMAT, which destroys all the backup sets.
Reason for the Error
To be update soon…
Solution
To be update soon…