Why do I need to reinstall drivers when I replace one FarSync Flex with another?
Every FarSync Flex has a unique serial number that Windows uses to identify a particular instance of the device. This allows devices to be swapped between USB ports on the same PC without any need to reinstall drivers etc. This default device-centric behaviour may be changed to be port-centric, so that any FarSync Flex may be plugged into the same USB port on a PC without the need to install drivers etc. To change the behaviour, • Uninstall all FarSync Flex drivers/applications, • Edit the registry, • Reinstall FarSync Flex devices/applications. FarSite’s fsclean utility is particularly useful for uninstalling all FarSync Flexes, including hidden (no longer attached) devices. Step 2 requires you to use regedit to add a REG_BINARY value in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\UsbFlags called IgnoreHWSerNum1AFD0721 with a value of 01. After that change, each Flex plugged into a specific USB port will be seen by host software as being the same device instance. However, if y
