If I have upgraded to Cubase 10, can the old Cubase 9 license be moved to its own usb dongle where i would then have 10 on one dongle and 9 on another dongle?
No. When you upgrade, the Cubase 9 license becomes your Cubase 10 license.
If I have upgraded to Cubase 10, can the old Cubase 9 license be moved to its own usb dongle where i would then have 10 on one dongle and 9 on another dongle?
No. When you upgrade, the Cubase 9 license becomes your Cubase 10 license.