SNMP attempts every 10 minutes

[k7.fantr () gmail com]

There is a machine on our network that is trying and failing to authenticate with the snmp trap on our core switch 
every 10 minutes. I can not seem to isolate what is making the requests. Based on scans that I have run, there is no 
know malware (nothing detected anyway). No services running appear to stop the requests after being turned turned off, 
and after installing a host based firewall and reviewing the logs, as well as running wireshark and reviewing a 2 hour 
capture, I can not seem to pin point anything making requests to that switch at all. It is the only machine on the 
network of about 900 that is doing this. 

I want the machine removed so that I can investigate further, but I am getting resistance from the IT Manager and 
support (no time.. not necessary..). Has anybody seen this before? Am I wrong to want this removed?

Thanks in advance.