Does this help: http://support.dell.com/support/edocs/software/svradmin/5.1/en/ug/html/setup.htm#wp1047723
essentially it says that you need to set the community name in the properties of the snmp service.
I don't know squat about SNMP so might be barking up the wrong tree. I too need to get OpenManage working as we have put in 16 Dell servers which need to be managed by Kaseya, and so far I have no idea how to do it!
Your on the right track. Once SNMP is setup and you find the correct OIDs in the Openmanage MIB it works great.
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