Overview Servers and Relays IP Addresses Macros Create Duplicate Modify Delete Options How To.. Menus Index |  |  | # Delete Macro Click OK to remove the macro from the `dhcptab`. Notify DHCP Server of Change: Check the box if you want the DHCP server to reload the `dhcptab` after the changed macro information is written. Normally, you want the server to reload the `dhcptab` so that clients start receiving the new configuration data immediately. However, in some cases, you may want to delay this reload. For example, you may need to make several changes in order for configurations to be correct.