VMS Help START, /QUEUE, /MANAGER, Qualifiers, /NAME_OF_MANAGER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /NAME_OF_MANAGER=name

    Creates a non-default queue manager. The required name value may
    be up to 31 characters long and may be a logical. The name will
    serve as the identifier for the queue manager process and the
    portion of the database that it is managing.