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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.

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Solutions:

Method 1, Delete all partitions on target drive and clone again.

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Method 2, Edit the size of partition manually before starting clone, then click “start clone”.

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If there is still any problem, please feel free to contact our AOMEI Support Team.