Running the below steps listed at the above link allowed me to start SNMPD in the EXSi GUI without issue
esxcli system snmp set -r esxcli system snmp set -c YOUR_STRING esxcli system snmp set -p 161 esxcli system snmp set -L "City, State, Country" esxcli system snmp set -C [email protected] esxcli system snmp set -e yes
