About the OpsCenter licensing model
OpsCenter requires no license. You need a license key to enable OpsCenter Analytics that provides additional functionality.
The licensed version of OpsCenter is called OpsCenter Analytics. The unlicensed version of OpsCenter is called OpsCenter. The product name is visible from the title bar and logon page of the OpsCenter console.
The charges for OpsCenter Analytics licenses are based on how many entities you report on.
For backup environments, the charges are based on the number of backup clients.