Sun N1 System Manager 1.3 Release Notes

Switching DHCP Service Using n1smconfig Removes DHCP Subnet Configurations (6406109)

If you create new DHCP subnets using the create dhcpconfig command and then use n1smconfig to switch to a different DHCP service, your customized DHCP subnet configurations are removed.

Workaround: Use the following commands instead of n1smconfig to change your DHCP service: