vCenter discovery launches duplicate VMWarevCenterDatacentersProbe, and creates duplicate records in cmdb_ci_vmware_instanceIssue vCenter discovery launches duplicate VMWarevCenterDatacentersProbe, and creates duplicate cmdb_ci_vmware_instance recordsCauseBoth vmapp_https and vmapp6_https are open on the target vCenter server, as a result shazzam will trigger VMWarevCenterDatacentersProbe twice.ResolutionNormally for vCenter with version below 6.0, 5480 is used (vmapp_https). And for version 6.0 and above, 9443 is used (vmapp6_https). Please investigate if it's possible to turn one of these off on target vCenter system. Alternatively, from ServiceNow instance, navigate to: Discovery Definition > Port Probes > vmapp > Triggered by services, remove either vmapp_https or vmapp6_https.