When ShellLib is linked to a driver producing DynamicCommand protocol, ShellParameters protocol is set by DynamicCommand.Handler(). The driver image handle doesn't have ShellParameters protocol installed. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> Cc: Michael D Kinney <michael.d.kinney@intel.com>