This specifies the directory service to use as the default, when the command does not specify a directory service. DIRECTORY_SERVICE dir-service The service must be one of: DIRECTORY_SERVICE LOCAL DIRECTORY_SERVICE DECDNS DIRECTORY_SERVICE PHASEIV If other parameters are specified in the command, this also determines the directory service that those additional default value parameters apply to. For example: SET DEFAULT DIRECTORY_SERVICE DECdns REVERSE_DIR .DNA_BackTranslation