Symptoms:
Unable to add Floppy Drive, Parallel Port or a SCSI Device using vSphere Client 7.0/8.0
VMware vSphere ESXi 7.0
VMware vSphere ESXi 8.0
Currently the vSphere Client 7.0/8.0 does not manage legacy devices including Sphere Floppy Drives, Parallel Ports and SCSI Devices.
Note: ESXi does not support floppy drives that are backed up by a physical floppy drive on the host.
Currently there is no resolution.
Workaround:
To work around this issue manage the devices using:
Refer: Add a Floppy Drive to a Virtual Machine in the VMware Host Client