/DEBUG
       /NODEBUG (default)

    Specifies options useful to the product kit developer during kit
    testing. Keywords are:

    CONFLICT_DATA    Displays supplemental information about file
                     and module conflict resolution. This includes
                     the generation numbers used in the comparison,
                     whether the object is retained or replaced,
                     and the name of the product that supplies the
                     object.

    Use /DEBUG=CONFLICT_DATA in conjunction with the /LOG qualifier
    to display all information about conflict resolution. For more
    information, see the POLYCENTER Software Installation Utility
    Developer's Guide.