White Papers

Frequently Asked Questions
33 Emergency Power Reduction (EPR) feature with OpenManage Enterprise Power Manager
What happens to the EPR applied on a static group, when all devices are removed from a static group
with active EPR?
Description:
EPR is maintained on device level when all devices are removed from a Static Group with active EPR. EPR
applied on Static Group is listed in Power Management > Emergency Power Reduction tab and a red
banner indicating EPR status and EPR Source is displayed in Group Details > Policies and EPR page of
the Static Group.
Resolution:
To disable the EPR applied on the device, go to the iDRAC, CMC or MCM console of the device and remove
the EPR.
You can disable EPR in Power Manager from Power Management > Emergency Power Reduction tab.
What happens to the EPR applied for a static group, when the static group is deleted from
OpenManage Enterprise?
Description:
EPR is maintained in the device when a Power Manager monitored Static Group is deleted from
OpenManage Enterprise. EPR applied on Static Group is automatically removed from Power Management >
Emergency Power Reduction tab.
Resolution:
To disable EPR on the device, go to the iDRAC, CMC or MCM console of the target device and remove the
EPR.
Can I delete a physical group with an active EPR from OpenManage Enterprise (Devices > Extension
Groups > Physical Hierarchy)?
Description:
Delete action is restricted on physical groups with active EPR.
Note: Behavior is the same even if there is an EPR effective on a Rack physical group (child) by virtue of the
EPR applied in any parent groups as Datacenter, Room or Aisle.
Result:
The deletion task fails with the following error message:
Failed to delete physical group.
CPWR0073—Unable to complete the operation because the Emergency Power Reduction (EPR) feature is
enabled on the group <Group Name>.