Dell EMC OpenManage Essentials Version 2.5 User's Guide

Discovery Schedule Settings

Configure OpenManage Essentials to discover new devices on a network. The settings apply to all discovery ranges. OpenManage Essentials records all agents, IP addresses, and the health of the devices.

Table 1. Discovery Schedule Settings. The following table describes the fields displayed in the Discovery Schedule Settings window.
Field Description

Enable Discovery

Select to schedule device discovery.

Configure Global Device Discovery interval

Set the frequency of discovery in weekly or daily intervals.

  • Every Week On — Specify the day or days to schedule discovery and the time for the discovery to begin.
  • Every <n> Days <n> Hours interval — Specify the intervals between discovery cycles. The maximum discovery interval is 365 days and 23 hours.

Discovery Speed

Specify the amount of resources (system and network) available for accelerating the discovery speed. The faster the speed, more resources are required to perform discovery, but less time is required.


Specify how the devices are discovered.

  • All Devices — Select to discover all devices that respond to an Internet Control Message Protocol (ICMP) ping. ICMP ping is optional in OpenManage Essentials version 2.4 and later. To skip ICMP ping during discovery, click Settings > Discovery Settings > Skip ICMP ping during discovery . If selected, ICMP ping is skipped during discovery and inventory of the devices.
  • Instrumented Devices — Select to discover only devices that have instrumentation (such as OpenManage Server Administrator, OpenManage Array Manager, and Networking Ethernet switches) for Simple Network Management Protocol (SNMP), Windows management Instrumentation WMI), Intelligent Platform Management Interface (IPMI) management, or WS-Management (WS-Man). See agents supported for more information about systems management instrumentation agents.

Name Resolution

Specify how the device names are resolved. If you are managing a cluster, use the NetBIOS name resolution to discern each independent system. If you are not managing a cluster, a DNS name resolution is recommended.

  • DNS — Select to resolve names using the Domain Naming Service.
  • NetBIOS — Select to resolve names using system names.
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