Duplicate entries can clutter your data, causing discrepancies in reporting, workflows, and decision-making. For tables like cmdb_ci_vmware_instance, having unique entries—especially for essential attributes like name—is critical for data integrity.

In this blog post, I'll walk you through a simple script for identifying duplicate entries in ServiceNow using the GlideAggregate API. The script organizes records by a certain field (such as name) and flags duplicate entries for further action.