AIX discovery is creating duplicate entries in the DNS Names (cmdb_ci_dns_name) tableIssue Discovery of AIX servers is creating duplicate DNS Names records in the cmdb_ci_dns_name tableCauseThere is a missing deletion strategy to the AIX server pattern for cmdb_ci_dns_name related typeResolutionThe deletion strategy is present OOB for Windows and Linux server patterns: https://<instancename>.service-now.com/sa_ci_to_pattern_list.do?sysparm_query=ci_typeSTARTSWITHcmdb_ci_dns_name%5Epattern.nameSTARTSWITHwindows%5EORpattern.nameSTARTSWITHlinux However, this is missing for AIX server pattern. The resolution is to create an entry in the Related CI types (sa_ci_to_pattern) table, for the AIX Server pattern similar to above entries for Windows and Linux server patterns.