The Mobility Master serial number and passphrase are required to generate a license key for that specific VM configuration. The Mobility Master serial number is auto-generated, and does not have to be manually configured.

To identify the Mobility Master passphrase, access Mobility Master via the command-line interface and issue the command show license passphrase.
To identify the Mobility Master serial number, access Mobility Master via the command-line interface and issue the command show inventory.

Use the passphrase, the Mobility Master serial number, and the certificate ID in the licensing website to generate a license key that can be added to sharable license pools on Mobility Master.

References