The maximum number of Portworx Essentials clusters that you can associate with your user account is 1. Thus, before you create a new Portworx Essentials cluster, you must first unlink your existing cluster.

For details about the Portworx Essentials license, refer to the Portworx Essentials page.

Unlink a Portworx Essentials cluster

Navigate to PX-Central and log in:
Select the checkmark button in the upper-right corner of the page:
Select the “Unlink” button:

Operation control with systemd