Question Han Ya · Sep 25, 2020 [help]SNMP Service can't connect with Caché SNMP agent(failed to open C:\InterSystems\Ensemble\mgr\snmpext.dat) Whenever the Windows SNMP Service restarts, the snmpdbg log says the following. 16:58:25 :Debug tracing enabled for SNMP agent16:58:25 :SnmpExtensionInit called, pid=4432, tid=1227616:58:25 :CreateEvent for CacheSNMPTrap suceeded16:58:25 :register Cache OID 1.3.6.1.4.1.16563.116:58:25 :Get all Cache configs ... 16:58:25 :found 1 configs16:58:25 :Add ENSEMBLE config to list ... #Monitoring #Ensemble 0 4 0 529