RHEL 5 x86_64 system, Cobbler 2.2.3

cobbler system edit --name=servername.example.com --power-type=ipmitool
power management type must be one of:

!!  Must be one of WHAT ?!

/etc/cobbler/settings has power_management_default_type: 'ipmitool'

So do I need to set it ?

“Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.”
Bill Waterson (Calvin & Hobbes)