This is a very common practice for antivirus software to block any attempt to access the drive for prolonged periods of time. The antivirus software is not letting Macrium clone the drive.The software usually returns an error message when it encounters bad sectors while cloning. A bad connecting cable can disrupt your process of cloning the storage device.

The connection between the drive and the computer is not proper.Like mentioned before, this error message can happen due to a number of different reasons. What causes the error ‘Macrium reflect clone failed’? The reasons for this error message are very diverse and range from antivirus issues to bad sectors in the drive. The error message “ Macrium reflect clone failed” is a very common error which occurs particularly when you are cloning your HDD to an SSD. It backups and replicates (clones) entire partitions to another storage drive with a click of a button. Macrium Reflect is a disk imaging and backup software for Microsoft Windows which creates backups and images using the service Microsoft Volume Shadow Copy Service.

Macrium reflect v6 system requirements