By Ivy / Last Updated September 28, 2021

Overview of “virtual disk service error: the volume size is too big”

Hey, I tried to format NTFS to FAT32 with Diskpart, but I get virtual disk service error: the volume size is too big. I need 127GB of space for my PS3. And the file system must be FAT32. Any help is appreciated.

Volume is Too Big

Diskpart works as a Windows built-in tool, which can help you solve disk and partition problems. However, sometimes, you may be bothered by Diskpart. Above is a real case you may encounter. When you try to format hard drive larger than 32 GB to FAT32 file system, you will receive a virtual disk service error the volume size is too big. Virtual disk service(VDS) is a set of application programming interfaces (APIs), which provide a single interface for managing disks and volumes. It contains the Disk Management snap-in, the DiskPart command-line tool, and the DiskRAID command-line tool (Diskraid.exe).

Reason for “the volume size is too big for FAT32” error

NTFS and FAT32 are both popular file systems among computer users like all versions of Windows, Mac, Linux, or other game consoles etc. Both file systems have their own advantages and disadvantages. In some cases, computer users may change partition type owing to specific needs.

When you format a hard drive larger than 32 GB, you may receive Diskpart virtual disk service error the volume size is too big. That's because Microsoft does not allow you to format the partition larger than 32 GB to FAT32 in Diskpart, as well as other Windows native disk management tools like Disk Management.

How to fix virtual disk service error the volume size is too big?

When fails to format hard drive in DiskPart, you may turn to Disk Management. However, it will also let you down. If you try to format hard drive larger than 32GB, you can only see NTFS in drop-down menu of File system.

No FAT32

Therefore, to fix the“the volume size is too big for FAT32”error, you need to switch to the third-party free partition software: AOMEI Partition Assistant Standard. This software allows you to a larger hard drive to FAT32 as you like. Besides, you can fix other problems appearing in Windows built-in tool, such as, extend volume size is disabled, new simple volume greyed out, shrink volume greyed out, etc.

Detailed steps of formatting a large drive to FAT32:

Step 1. Download AOMEI Partition Assistant, install and launch it.

Download Freeware Win 11/10/8.1/8/7/XP
Secure Download

Step 2. Right-click the NTFS partition, and then select "Format Partition".

Format Partition 256GB

Step 3. Input a partition label, then select "FAT32" as your file system. At last, click "OK" to summon the next window.

Select File System 256GB

Step 4. Preview and click "Apply" > "Proceed" to finish the last step. After that, you will get a new partition with FAT32.

Apply Proceed 256GB

Tip: Apart from “Format Partition”, you still can choose "NTFS to FAT32 Converter", which can convert NTFS to FAT32, or FAT32 to NTFS without reformatiing the drive or losing data.


So, now you should know what to do when receiving the virtual disk service error the volume size is too big in Diskpart.AOMEI Partition Assistant can satisfy the basic needs of the majority of users. It allows you to resize partition, move partition, shrink partition, merge partitions, create partition, etc. But if you need to fix problems the standard edition cannot or want more advanced features, you can upgrade to AOMEI Partition Assistant.