346 CHAPTER 8: OPERATIONSTo manage your software licenses, select Operations > Licenses.See the Help for procedures on managing licenses.Add a License Each NBX system includes a factory default license, tied to the systemserial number.■ On the NBX V3000, the serial number is located on the back of thechassis.■ On SuperStack 3 systems, the serial number is located on the disk tray.■ On NBX 100 systems, the serial number is located on the CallProcessor backplane.To configure the system to support new licenses, contact your 3Comdealer and provide the serial number. The dealer obtains a new licensekey from 3Com Customer Support that enables the upgrade.See the Help for procedures for adding a license to an NBX system.Remove a License The only license that you can remove from an NBX system is the diskmirroring license, which enables a SuperStack 3 NBX system to use twodisks in a mirrored configuration.CAUTION: See “Reverting to a Single-Disk System” on page 274 forinstructions on how to remove the disk mirroring license. If you do notfollow the correct procedure, you may not be able to restart theSuperStack 3 NBX system.Usage Report The Usage Report displays, for each license installed on the NBX system,the current number of devices in use for the license type and themaximum number of devices allowed by that license.Backing Up Licenses 3Com recommends that you make a backup of all licenses on your NBXsystem.1 In the Operations > Licenses dialog box, click Backup Licenses.2 Click Save, choose a location to save the backup file, and click Save.You can also run license backup from the Operations > Manage Data tab.
