Updating your Veeam Backup & Replication v12 license key can be done manually through the console or set to occur automatically via the Veeam licensing server. Quick Update Guide
To help me tailor any further technical steps or troubleshooting, let me know: Are you using a VUL (Universal) or a legacy Socket license? veeam 12 license key updated
Use this method if your backup server does not have internet access or you have a standalone license file. Updating your Veeam Backup & Replication v12 license
: New sales of perpetual per-CPU socket licenses have ceased. Existing socket licenses can still be used, but all VMware vSphere and Microsoft Hyper-V workloads must be protected by either socket or VUL exclusively—mixing them for the same hypervisor type is not supported. Automatic Updates : A feature called Automatic License Key Update Emphasis on cloud and container workloads: better support
No. The license is installed only on the Veeam Backup Server. Proxies and repositories inherit the license.