
Troubleshooting 159
3
Ensure that the SNMP Trap service services are running in the Open
Manage Essentials system.
4
Check firewall settings to allow UDP 161, 162 ports.
Troubleshooting Discovery of Windows Server 2008-Based Servers
You also have to allow the server discovery. By default, the option is disabled
in Windows Server 2008.
1
Click
Start
Control Panel
Network and Internet
Network and
Sharing Center
Advanced Sharing Setting
.
2
Choose the drop-down arrow for the applicable network profile (Home or
Work / Public)
Under
Network Discovery
section select the
Tur n on
network discovery
.
Troubleshooting SNMP Traps for ESX or ESXi Versions 3.5, 4.x, or 5.0
Details
To generate virtual machine and environmental traps from ESX or ESXi 3.5
or 4.x hosts, configure and enable the embedded SNMP agent. You cannot
use the Net-SNMP-based agent to generate these traps, although it can
receive GET transactions and generate other types of traps.
This represents a change in behavior from ESX 3.0.x, in which the configuration
file for the Net-SNMP-based agent controlled the generation of virtual
machine traps.
Solution
Use the vicfg-snmp command from the Remote CLI or vSphere CLI to
enable the SNMP agent and configure trap destinations. Each time you
specify a target with the vicfg-snmp command, the settings you specify
overwrite all previously specified settings. To specify multiple targets, specify
them in a single command, separated by commas.
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