Volume name for a hidden windows partition

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Is there a way to programmatically get the volume name associated with a hidden Windows disk partition? The hidden partition is found by querying Win32_DiskPartition, but I can't find a way to get the volume name of the partition. Diskpart lists them, so I know they exist. Note that I'm not asking for all volume names in a system, but the volume name associated with a specific (hidden) partition.

What I have tried:

DriveInfo.GetDrives doesn't return drives for volumes on hidden partitions. Querying Win32_LogicalDiskToPartition won't return any logical drives for hidden partitions, and there are no partition attributes in Win32_DiskPartition I can find that provide this information. Querying Win32_LogicalDisk doesn't return any logical disks for volumes on hidden partitions either.

Posted 31-Aug-16 16:14pm

Member 12714049

Updated 3-Sep-16 16:16pm

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Jochen Arndt · Answer 1 · 2016-08-31T21:35:00

Solution 1

Hidden partitions are not mounted (no drive letter assigned) and can't be therefore accessed using any logical disk based Windows function.

When using Win32_DiskPartition you should have access to the label by the Name property. That is the text shown by diskpart in the "Label" column.

Posted 31-Aug-16 21:35pm

Jochen Arndt

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Maciej Los 2-Sep-16 5:02am

5ed!

Member 12714049 5-Sep-16 23:38pm

I really wish the Name property was the same one reported by Diskpart (and the one I assigned when I created the partition), but on my system the Name property returns something like "Disk #0, Partition #1".

Jochen Arndt 6-Sep-16 3:35am

I'm sorry that my answer regarding the label is wrong.

A partition has no label. Only volumes have a label.

I see two methods to get the name:
1. Mount the volume temporarily to get the name
2. Read sectors from the partition to lookup the volume name (MFT record #3 with NTFS).

Volume name for a hidden windows partition

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Volume name for a hidden windows partition

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