You can save the deletion history of system configuration information to a CSV file. The following information is saved for each host:

host-name, IP-address, host-ID, MAC-address, type, route, comment, deletion-cause, deletion-date/time, creation-date/time, and update-date/time

To save deletion history to a CSV file:

1. Choose File, and then Deletion History of System Configuration Information.
   The Deletion History of System Configuration Information dialog box appears.
   
2. Click the Output to CSV File button.
   The Output Deletion History to CSV File dialog box appears.
   
3. Specify the location and name of the file, and then click the Save button.
   The deletion history is saved to the specified file in CSV format.
   To cancel saving of the deletion history to the CSV file while the processing is underway, click the Cancel button.