Download ManageEngine OpManager - Troubleshooting Guide

Devices are not discovered
Cause
This can happen if the ping requests to device get timed out.
Solution
To resolve this, increase the ping timeout in the file /conf/ping.properties and try again.
Devices are identified by IP addresses and not by host names
Cause
If DNS Server address is not set properly in the machine hosting OpManager, the DNS names of
the managed devices cannot be obtained from the DNS server.
The other possible reasons could be:
•
•
•
The DNS Server is not reachable
The DNS Server is down during discovery.
The DNS Server does not exist.
Solution
Ensure that the DNS Server is reachable and configure the DNS Server address properly.
Mapping
•
•
Some of my Routers are discovered as Desktops or Servers.
How are Servers categorized in OpManager? Some servers are classified under desktops!
Some of my Routers are discovered as Desktops or Servers
Cause
The devices may not be SNMP enabled or the SNMP agent in the device is not responding to
queries from OpManager.