DHCP Delete IP Reservation activity The DHCP Delete IP Reservation activity deletes IP reservations in DHCP using either an IPv4 or IPv6 address range. An automation can obtain an Infoblox DHCP object to delete from either of these activities: DHCP List IP Reservations DHCP Reserve IPv4 Address Range The DHCP activities use the REST Web service activity designer template to manage IP addresses using an Infoblox DDI Grid Server. These activities are configured to use a MID Server with REST capabilities. To access this activity in the workflow editor, select the Custom tab, and then navigate to Custom Activities > Infoblox DDI > DHCP. Input variables Table 1. DHCP Delete IP Reservation input variables Variable Description InfobloxServer Name of the Infoblox DDI Grid Server. ipToDelete IP address range to delete, in the form: range/<encrypted code>:<start range>/<end range>/default restCredentials The sys_id of the REST credentials from the ServiceNow instance. Output variables Table 2. DHCP Delete IP Reservation output variables Variable Description DHCPDeletedIpRange Range of deleted IP addresses. error Displays the message for any REST error encountered. Conditions Table 3. DHCP Delete IP Reservation conditions Variable Description Success Activity successfully deleted the specified IP address range. Failure Activity failed to delete the specified IP address range.