Expired Computer Systems were not being deleted from UMP (USM) in the last few versions of discovery_server but this is now fixed in CA UIM 8.31. Computer systems are considered expired, and should be published for deletion, when they meet the following criteria:
For discovery_server probe version 8.2 and earlier, the expire computer systems task is not running as scheduled. The problem is fixed in Discovery Server version 8.3 and later.
For Discovery Server version 8.2 and earlier, add an expire_task_start_time key to the ‘setup’ section of the probe configuration.
discovery_server probe configuration setup section example:
Note also that in CA Nimsoft (UIM) v7.0, development changed the handling of expired systems to only delete systems that have NO QOS data.