Backup image from partition with mount point on windows

I have 4 drives on a Windows 10 machine to be backed up. Two have regular drive letters (C, Z), two are mounted under C:\Drives\HDD2, HDD3 resp:

If I enter ALL_NONUSB, only C and Z are backed up, if I type C:\Drives\HDD2, I get an error.

How can I select these drives for Image backup?

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