You can use this command to delete aged discovery data in the SMS site database at the selected site only. Databases at other sites are not affected. You can specify the age of the discovery data you want deleted. This command deletes everything relevant to those discovery items; hardware and software inventory are included.
Defaults Delete discovery data older than 90 days; runs on Saturday.For more information about data discovery, see Discovery Methods Configuration Overview.
Schedule a Delete Data Task
Maintaining a Site Database Overview