While discovering the Unix Cluster nodes , the payload shows DUPLICATE_PAYLOAD_RECORDS error DescriptionCmdb_ci_cluster_resource which is a parent table of cmdb_ci_unix_cluster_resource does not remove the duplicate entry as per the OOBAs per the OOB, the pattern is checking for cluster resource only but not deleting the specific duplicate Unix payloadSteps to Reproduce When running the discovery, the pattern shows DUPLICATE_PAYLOAD_RECORDS error .Go to Filter navigatorType Pattern--Open Discovery PatternType "Linux Server" and under its extension section check on "UNIX Cluster - ORACLE Clusterware" Step 60WorkaroundIt is best to add the step to remove duplicates right after the table with the duplicates is created.The script will have to be updated to contain the correct table name and columns.As work around, Change the EVAL in the pattern as work around for Step 60 of "UNIX Cluster - ORACLE Clusterware" Pattern var tableWithoutDuplicates = ''; tableWithoutDuplicates = DuplicateRemover.removeDuplicates(${cmdb_ci_cluster_resource},"name"); CTX.setAttribute("cmdb_ci_cluster_resource", tableWithoutDuplicates); Changed it to var tableWithoutDuplicates = ''; tableWithoutDuplicates = DuplicateRemover.removeDuplicates(${cmdb_ci_unix_cluster_resource},"name"); CTX.setAttribute("cmdb_ci_unix_cluster_resource", tableWithoutDuplicates); This problem is currently under review. You can contact ServiceNow Technical Support or subscribe to this Known Error article by clicking the Subscribe button at the top right of this form to be notified when more information will become available..Related Problem: PRB1418765