Explicit authentication required for remote executor creation

  Explanation:  An attempt was made to create an RMU executor on a
  remote node by a client that was implicitly authenticated.  When
  executing a  parallel  backup  across  a  cluster  the  logicals
  SQL_USERNAME and SQL_PASSWORD must be defined.

  User Action:  Define SQL_USERNAME and SQL_PASSWORD  logicals  to
  be your username and password, respectively.