You encounter the error "Your Veeam Backup license does not allow processing of free ESXi."
Veeam Backup & Replication does not support free version of ESXi.
Please upgrade to a paid version of ESX or ESXi. Veeam Backup & Replication does not support the Free version of VMware servers.
This is a known issue in Veeam Backup & Replication.
Please be aware that we’re making changes which will restrict access to product updates for users without an active contract.