[Option] /Res[tart] {deny | force | ifPossible} [Description] 
(Optional). Specifies a new value for the CheckpointUsage property on the package. The meaning of the parameters are as follows: Deny Sets CheckpointUsage property to DTSCU_NEVER. Force Sets CheckpointUsage property to DTSCU_ALWAYS. ifPossible Sets CheckpointUsage property to DTSCU_IFEXISTS. The default value of force is used if no value is specified.