IRE failure occurs due to network adapter module and Agent client collector failed to collect host dataIssue Agent client collector failed to collect host data We see connection failed error on Agent logs for all the IPs mentioned in backend URLs of acc.yml file 2023-03-19T16:43:20.43 [ERROR] [agent] [dial tcp #########: connect: connection refused] reconnection attempt failed to the url: wss://######/ws/events2023-03-19T16:44:00.44 [ERROR] [agent] Failed reaching all MID servers configured. Now sleeping for 1 minutes2023-03-19T16:45:00.72 [ERROR] [agent] [dial tcp #########: connect: connection refused] reconnection attempt failed to the url: wss://#######/ws/events2023-03-19T16:46:12.88 [ERROR] [agent] [Connection closed: websocket: close 1001 (going away): Shutdown] transport receive error2023-03-19T16:46:35.69 [ERROR] [agent] [read tcp #######->#########: read: connection reset by peer] reconnection attempt failed to the url: wss://10.160.10.16:1026/ws/eventsCauseHost data collection fails when IP address field is empty for nic (ecc_queue).Resolution--> ACC collect host data fails with IRE error2023-03-28 06:09:57 : Info : identification_engine : logId:[2a5281eadb3d] DUPLICATE_PAYLOAD_RECORDS Found duplicate items in the payload (index 6 and 9), using className [cmdb_ci_ip_address] and fields [ip_address,netmask,network_partition_identifier]. Remove duplicate items from the payload--> On digging further checked the recent ecc queue we found that the ip_address is empty for network adapters (ECC QUEUE LOG ATTACHED)\"network_adapters\":[{\"ip_address\":\"\",\"ip_default_gateway\":\"\",\"mac_address\":\"24:6e:96:d7:6d:c4\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"eno1\",\"netmask\":\"\",\"ip_addresses\":[]},{\"ip_address\":\"\",\"ip_default_gateway\":\"\",\"mac_address\":\"24:6e:96:d7:6d:c4\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"eno2\",\"netmask\":\"\",\"ip_addresses\":[]},{\"ip_address\":\"\",\"ip_default_gateway\":\"\",\"mac_address\":\"24:6e:96:d7:6d:c8\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"eno3\",\"netmask\":\"\",\"ip_addresses\":[]},{\"ip_address\":\"\",\"ip_default_gateway\":\"\",\"mac_address\":\"24:6e:96:d7:6d:ca\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"eno4\",\"netmask\":\"\",\"ip_addresses\":[]},{\"ip_address\":\"\",\"ip_default_gateway\":\"\",\"mac_address\":\"54:48:10:f3:fc:c1\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"idrac\",\"netmask\":\"\",\"ip_addresses\":[]},{\"ip_address\":\"\",\"ip_default_gateway\":\"\",\"mac_address\":\"24:6e:96:d7:6d:c4\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"bond0\",\"netmask\":\"\",\"ip_addresses\":[{\"ip_address\":\"fe80::266e:96ff:fed7:6dc4\",\"ip_version\":\"6\",\"name\":\"fe80::266e:96ff:fed7:6dc4\",\"dns_name\":[],\"netmask\":\"64\"}]},{\"ip_address\":\"10.100.5.102\",\"ip_default_gateway\":\"10.100.4.1\",\"mac_address\":\"24:6e:96:d7:6d:c4\",\"mac_manufacturer\":\"\",\"manufacturer\":\"\",\"name\":\"bond0.102\",\"netmask\":\"255.255.254.0\",\"ip_addresses\":[{\"ip_address\":\"10.100.5.102\",\"ip_version\":\"4\",\"name\":\"10.100.5.102\",\"dns_name\":[\"lcmaus004.silabs.com.\"],\"netmask\":\"255.255.254.0\"},{\"ip_address\":\"fe80::266e:96ff:fed7:6dc4\",\"ip_version\":\"6\",\"name\":\"fe80::266e:96ff:fed7:6dc4\",\"dns_name\":[],\"netmask\":\"64\"}]}]--> We conclude that IRE failure occurs due to network adapter module failure , it happens when ip address field is empty for nic--> We have a know PRB for this issue which is going to be fixed in May release. Ask customer to keep below subscribedPRB1641787https://support.servicenow.com/problem.do?sys_id=8c68bea91b85e194bbfe77bc1d4bcb2a