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I've installed SNMP on my environment of Windows Server 2003/2008 and configured with group policy to allow our monitoring system to SNMP READ and TRAP with our custom community string. I have a handful of servers that are failing in the monitoring system with no response eventhough they appear to be configured and running.

What Windows-based tools can I use to troubleshoot connectivity and configuration? I would like to do things like SNMP ping, get data (snmpwalk?), or force a trap.

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up vote 8 down vote accepted

Verify that the server is listening on the SNMP port (161): netstat -an |find /i "listening"

Unofficial Windows net-snmp binaries:

Provides standard tools like snmpget and snmpwalk.

snmpwalk -v 1 -c community-here

I'd recommend first verifying locally on the server that SNMP is working before continuing to troubleshoot on your monitoring clients. ...

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Perfect! Thanks! – spoulson Dec 11 '09 at 20:53

Under Firewall Rules, Inbound Rules, SNMP Service (UDP In) w/ profile Private,Public the Scope defaults to the "Local subnet" which may not be the same subnet as your monitoring server.

Adjusting this rule worked for me.

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To add to brent's answer I have recently discoverd Getif which facilitates some SNMP verification as well as other network related tasks.

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