Request could not be performed because of I/O device (0x8078012D)

When using the Windows Backup and Restore Tool in Windows10, if you receive the following Backup error message, then this post will be able to help you:

The operation failed due to a device error encountered with either the source or destination, The request could not be performed because of an I/O device, Error 0x8078012D

The request could not be performed because of an I/O device error

Error 0x8078012D, The backup operation failed

These are the things you can do to fix Error 0x8078012D, The backup operation failed on Windows 10:

1. Run CHKDSK /R on the source or destination volume
2. Enable Windows Backup Services
3. Choose a different location to save the backup
4. Create Backup in Clean Boot State
5. Use File History to create a backup image
6. Recreate Backup.

Let us talk about them in detail.

1] Run CHKDSK /R on the source or destination volume

Error 0x8078012D, The request could not be performed because of an I/O device error can be due to a bad sector in the hard drive. Therefore, we need to launch the Command Prompt as an administrator and run the command-line chkdsk parameter.

chkdsk /r

2] Enable Windows Backup Services

This solution requires you to enable Windows Backup Service from Windows Services. To enable this Service, follow the given steps:

1. Launch Services from the Start Menu.
2. Scroll down a bit, look for “Windows Backup” Service.
3. Double-click on it to open
4. Change “Startup type” to Manual, and click Start.
5. Finally, click Apply > Ok.

Restart your computer and check if the issue persists.

3] Choose a different location to save the backup file

If you are still facing the Backup Error 0x8078012D, The request could not be performed because of an I/O device error try choosing a different location to save your backup. You can do that while creating the backup of your file.

4] Create Backup in Clean Boot State

If the problem is because of a conflicting program, try creating in Clean Boot State. To troubleshoot in Clean Boot State, follow the given steps:

1. Launch “System Configuration” from the Start Menu.
2. From the “General” tab, select Normal Startup.
3. Go to the “Services” tab, tick Hide all Microsoft Services and click Disable all.
4. Click Apply > Ok.

Now, create a backup using Windows Backup and Restore tool.

5] Use File History to create a backup

If you are facing Error 0x8078012D while backing up your system files. Try doing the same with File History.

6] Recreate Backup

The Error 0x8078012D can be because of a corrupt backup file. Therefore, you should delete the existing backup and recreate the backup.

To delete your existing backup, launch Control Panel from the Start Menu and click Backup and Restore (Windows 7) > Manage Space.

Now, click View Backups, select your Backup, and click Delete. This way, your existing backup is deleted. Now, create a new one and check if the issue persists.

We hope that this has helped you in fixing Backup Error 0x8078012D.