AOMEI Backupper standard
A powerful free-ware to backup and restore data and files easily and safely
Home > Knowledge Base > Error Code 4120: Failed to adjust partition size.
AOMEI Partition Assistant standard
A reliable free-ware to manage partition and hard disk safely.
Error Code 4120: Failed to adjust partition size
This article applies to: AOMEI Backupper all versions.
Introduction:
Sometimes when you clone from a large drive to a smaller drive, you may encounter error code 4120:
Clone is initializing...
Checking volumes...
System cloning...
Information Code: 4120
Failed to adjust partition size.
Solutions:
Method 1, Delete all partitions on target drive and clone again.
Method 2, Edit the size of partition manually before starting clone, then click “start clone”.
If there is still any problem, please feel free to contact our AOMEI Support Team.