HP ProLiant Support Pack - Manual (Page 8)

Using the Firmware Deployment Tool 8
o If the UID light is off, the update process is complete and the server OS can be installed or the
server restarted to its previous operating system.
o If the UID light is on solid, a firmware update failure has occurred.
11. You must either plug in the KVM dongle or use iLO Remote Console support to browse into the
affected server to determine the cause of failure. The FDT loads the error log into a vi editor window
for review. HP recommends resolving the error before installing or restarting the operating system.
The HP BladeSystem Firmware Deployment Tool might not boot with some third-party external Fibre
Channel storage attached. You might need to disconnect the external storage for the duration of the
update process, and reconnect it afterwards.