To my knowledge there is no 'out-of-the-box' support for vmware NSX (had to google what the NSX stands for)
from a short research I did, you could use SNMP-Traps to monitor your NSX environment, Other than that I have seen there is an API where you can pull out information from NSX. You could write yourt own scripts to utilize that API and bring the output to a format that Orion understands.
A first thought would point me to a SAM Windows Script monitor....
EDIT: you also might want to look into enabling Syslog on your NSX and send those syslog messages to your Orion Server for further analysis.
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