When editing the properties of a node, what is meant to be put in the SNMPv3 context field?
Check out this guide to setting up SNMPv3 from Solarwinds,
http://www.solarwinds.com/documentation/Orion/docs/Implementing_SNMPv3r1.pdf
In Cisco land the context would be equivalent to the snmp-server group
-Marc Netterfield
Loop1 Systems: SolarWinds Training and Professional Services