OpsCenter does not support SNMPGET, although when reading the Management Pack Manual it states on page 13-14 that a Advanced Discovery is run. According to our SCOM guys that usually means it does an "SNMP probing/SNMPGET". So that discovery is something different (it is and old post by now)?
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Time stamp : Mon Dec 16 15:22:34 CET 2013
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[Mon Dec 16 15:32:49 CET 2013] sendV2cTrap success dkvmopsmgr01:162 1.3.6.1.4.1.1302.3.12.10.2.0.2 (1.3.6.1.4.1.1302.3.12.10.1.1,dkvmopsmgr01) (1.3.6.1.4.1.1302.3.12.10.1.2,1 Active Low Disk Volume Capacity: 33.58 % free) (1.3.6.1.4.1.1302.3.12.10.1.3,Alert Raised on: 16. december 2013 15:32 Tree Type : Server Tree Name : ALL MASTER SERVERS Nodes : dkvmnbuma01 Disk Volume Free Capacity: 24 TB Threshold: 90 % Alert Policy: SNMP test 2 OpsCenter Server: DKVMNBUOC01 ) (1.3.6.1.4.1.1302.3.12.10.1.4,SNMP test 2) (1.3.6.1.4.1.1302.3.12.10.1.5,) (1.3.6.1.4.1.1302.3.12.10.1.6,) (1.3.6.1.4.1.1302.3.12.10.1.7,DKVMNBUOC01) (1.3.6.1.4.1.1302.3.12.10.1.8,dkvmnbuma01) (1.3.6.1.4.1.1302.3.12.10.1.9,) (1.3.6.1.4.1.1302.3.12.10.1.10,) (1.3.6.1.4.1.1302.3.12.10.1.11,Major) (1.3.6.1.4.1.1302.3.12.10.1.12,Mon Dec 16 15:32:49 CET 2013)
[Mon Dec 16 16:01:29 CET 2013] sendV2cTrap success dkvmopsmgr01:162 1.3.6.1.4.1.1302.3.12.10.2.0.3 (1.3.6.1.4.1.1302.3.12.10.1.1,dkvmopsmgr01) (1.3.6.1.4.1.1302.3.12.10.1.2,2 Active Job Completed with Exit Status 0) (1.3.6.1.4.1.1302.3.12.10.1.3,Alert Raised on: 16. december 2013 16:01 Job: 409389 Tree Type : Server Tree Name : ALL MASTER SERVERS Nodes : dkvmnbuma01 Job Policy: NBU_Catalog Exit Status: 0 (the requested operation was successfully completed) Client: dkvmnbuma01 New State: Done Alert Policy: SNMP Test OpsCenter Server: DKVMNBUOC01 ) (1.3.6.1.4.1.1302.3.12.10.1.4,SNMP Test) (1.3.6.1.4.1.1302.3.12.10.1.5,) (1.3.6.1.4.1.1302.3.12.10.1.6,) (1.3.6.1.4.1.1302.3.12.10.1.7,DKVMNBUOC01) (1.3.6.1.4.1.1302.3.12.10.1.8,dkvmnbuma01) (1.3.6.1.4.1.1302.3.12.10.1.9,) (1.3.6.1.4.1.1302.3.12.10.1.10,) (1.3.6.1.4.1.1302.3.12.10.1.11,Warning) (1.3.6.1.4.1.1302.3.12.10.1.12,Mon Dec 16 16:01:29 CET 2013)
[Mon Dec 16 16:02:24 CET 2013] sendV2cTrap success dkvmopsmgr01:162 1.3.6.1.4.1.1302.3.12.10.2.0.3 (1.3.6.1.4.1.1302.3.12.10.1.1,dkvmopsmgr01) (1.3.6.1.4.1.1302.3.12.10.1.2,3 Active Job Completed with Exit Status 0) (1.3.6.1.4.1.1302.3.12.10.1.3,Alert Raised on: 16. december 2013 16:02 Job: 409388 Tree Type : Server Tree Name : ALL MASTER SERVERS Nodes : dkvmnbuma01 Job Policy: NBU_Catalog Exit Status: 0 (the requested operation was successfully completed) Client: dkvmnbuma01 New State: Done Alert Policy: SNMP Test OpsCenter Server: DKVMNBUOC01 ) (1.3.6.1.4.1.1302.3.12.10.1.4,SNMP Test) (1.3.6.1.4.1.1302.3.12.10.1.5,) (1.3.6.1.4.1.1302.3.12.10.1.6,) (1.3.6.1.4.1.1302.3.12.10.1.7,DKVMNBUOC01) (1.3.6.1.4.1.1302.3.12.10.1.8,dkvmnbuma01) (1.3.6.1.4.1.1302.3.12.10.1.9,) (1.3.6.1.4.1.1302.3.12.10.1.10,) (1.3.6.1.4.1.1302.3.12.10.1.11,Warning) (1.3.6.1.4.1.1302.3.12.10.1.12,Mon Dec 16 16:02:24 CET 2013)