Become superuser or a user assigned to the DHCP Management profile .
Type a command of the following format:
# dhtadm -M -m macroname -e 'option='
For example, to remove the ability to negotiate leases in macro bluenote, type the following command:
# dhtadm -M -m bluenote -e 'LeaseNeg='
If an option is specified with no value, it is removed from the macro.