Increasing vdi volume fails on Windows 10

[Roboman]

Dear VM Users,

I've encountered an issue with increasing an existing Windows 10 30 GB disk to a 50 GB volume.
I'm used to do that with Win 7 images using the command syntax "vboxmanage modifyhd {VDI file name and path} --resize 51200 as an example, which works like a charm. The same executed on a Win 10 image gives the message.
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C:\Program Files\Oracle\VirtualBox> vboxmanage modifyhd "D:\Virtual Box Images\Windows 10 #1\HISWIN10_1.vdi" --resize 61440
0%...
Progress state: VBOX_E_NOT_SUPPORTED
VBoxManage.exe: error: Resize medium operation for this format is not implemented yet!
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I'm using 5.1.14 r 112924
Doesn't Vbox support this option on a Windows 10 vdi, or is this pilot error?

looking forward to any comments
Kindest Regards
Rob

[socratis]

Please post the output of the command:

• "C:\Program Files\Oracle\VirtualBox\VBoxManage" showmediuminfo "D:\Virtual Box Images\Windows 10 #1\HISWIN10_1.vdi"

[b.scholze]

I got the exact same problem.
Do I miss some important information here?

[Martin]

Please provide the output of VBoxManage showmediuminfo as asked above.