Fixing the "No Free Space Available" Error in Diskpart

When using Diskpart, the disk management utility in Windows, you may encounter the error "No Free Space Available". This can happen for various reasons, including the absence of unallocated space on the disk or issues with existing partitions. This guide will walk you through steps to resolve this error effectively.

Reasons for the Error

• No Unallocated Space: If there’s no unallocated space on the disk, Diskpart won’t be able to create a new partition.
• Incorrect Partition Structure: In some cases, the error can occur due to damaged or improperly configured partitions.
• Unsupported File System: Diskpart may not detect available space if the file system is corrupted or unsupported.

How to Fix the "No Free Space Available" Error in Diskpart

Step 1: Check for Available Disk Space

First, confirm that there is unallocated space on the disk. Use the command list disk in Diskpart, then select disk [disk number] to see if there is space available for creating a new partition.

Step 2: Delete Existing Partitions (If Necessary)

If there is no unallocated space, you may need to delete unnecessary partitions. Use the list partition command, then select partition [partition number] and delete partition. Note: Deleting partitions can result in data loss, so proceed with caution.

Step 3: Clear the Disk

If the issue persists, you might try fully clearing the disk. Run the clean command after selecting the correct disk. This will delete all partitions and data, making the disk fully unallocated. Afterward, you can create a new partition using the create partition primary command.

Step 4: Use Third-Party Tools

If the error recurs or if the disk has a complex structure, consider using third-party tools like MiniTool Partition Wizard or AOMEI Partition Assistant. These programs often handle complex disk operations more flexibly than Windows’ built-in tools.