Duplicate entries in the table "dscy_route_next_hop" through the discoverDescription<!-- div.margin{ padding: 10px 40px 40px 30px; } table.tocTable{ border: 1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); padding-top: .6em; padding-bottom: .6em; padding-left: .9em; padding-right: .6em; } table.noteTable{ border:1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); width: 100%; border-spacing:2; } table.internaltable { white-space:nowrap; text-align:left; border-width: 1px; border-collapse: collapse; font-size:14px; width: 85%; } table.internaltable th { border-width: 1px; padding: 5px; border-style: solid; border-color: rgb(245, 245, 245); background-color: rgb(245, 245, 245); } table.internaltable td { border-width: 1px; padding: 5px; border-style: solid; border-color: #E0E0E0; color: #000000; } .title { color: #D1232B; font-weight:normal; font-size:28px; } h1{ color: #D1232B; font-weight:normal; font-size:21px; margin-bottom:-5px } h2{ color: #646464; font-weight:bold; font-size:18px; } h3{ color: #000000; font-weight:BOLD; font-size:16px; text-decoration:underline; } h4{ color: #646464; font-weight:BOLD; font-size:15px; text-decoration:; } h5{ color: #000000; font-weight:BOLD; font-size:13px; text-decoration:; } h6{ color: #000000; font-weight:BOLD; font-size:14px; text-decoration:; } ul{ list-style: disc outside none; margin-left: 0; } li { padding-left: 1em; } --> The table dscy_route_next_hop has updated with many duplicate records. This is an OOB functionality but most of the customers request to disable it. Release or EnvironmentAll CauseNext hop is an IP address entry in a router's routing table, which specifies the next closest/most optimal router in its routing path. Every single router maintains its routing table with a next hop address, which is calculated based on the routing protocol used and its associated metric. Below is the table structure of "dscy_route_next_hop" in ServiceNow configuration management database. This table data will be used to mapping L2/3 relationships now and this may be important to have in the CMDB however some customers to agree to remove the data with their own risk. Resolution In order to stop creating duplicate records in this table, We can disable the respective line in the respective sensor.Go to script includes -> DiscoveryReconciler. https://instance.service-now.com/nav_to.do?uri=sys_script_include.do?sys_id=4fa2ef960a0a0ba500d0ac5d968efa2d 3. In the script go to line 189 and comment the line with "//". It will restrict the writing of records on the table dscy_route_next_hop.