Proxmox No Valid Subscription: Repository Fix (PVE 8 & 9)
A Proxmox VE node without a paid subscription can show a subscription notice in the web UI. If the enterprise repository is enabled without a valid key, apt update can also return an authorization error. These are related to subscription status, but they are not the same problem. The web notice is informational. An enterprise-repository error prevents that repository from supplying updates and should be corrected. The supported choices are to buy a subscription and use the enterprise repository, or configure the public no-subscription repository for a non-production lab. ...