How Discovery Node Licenses consumed are calculated. - Support and Troubleshooting

How Discovery Node Licenses consumed are calculated. Issue The requirement is to understand how Discovery node license usage is calculated. This article can be referred to understand the business logic behind the license calculation. This article will demonstrate the details about the license calculation, hence in the future, if a similar requirement occurs then this article can be considered. Resolution Servicenow Discovery Node License calculation is performed on the Server (cmdb_ci_server) table. It refers to the number of servers discovered in last 90 days. This includes physical servers as well as virtual servers. Once in cmdb_ci_server.list the following filters have to be applied Discovery Source--> is -->ServiceNow Most recent discovery -->"at or after" --> Last 90 days Using this logic, the Discovery nodes "Used" number is calculated. Below are the steps that can be followed to validate the used number on an instance. Connect to ServiceNow Instance. Navigate to Subscript Management >> Subscriptions . Locate and open the " Discovery Node " record. Verify the value of the " Used " field. Please find below a sample screenshot of the record. Related Links In case, if the customer has a subscription for " Discovery Devices " then the calculation is performed on cmdb_ci_hardware table and not on cmdb_ci_server table. KB1000863 - ITOM Licensing FAQ