Proxmox Backup Server 1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Proxmox Backup Server 1 reached end of life on 30 Sept 2022. It no longer receives security fixes.
Support timeline
Official dates from the Proxmox Backup Server release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 11 Nov 2020 | — |
| End of life | 30 Sept 2022 | 3.9 years ago |
| Latest release | 1.1.10 · 16 Jun 2021 | final |
Where to go from 1
Recommended target: Proxmox Backup Server 4.
The newest actively supported branch is Proxmox Backup Server 4 (latest release 4.2).
Frequently asked questions
Is Proxmox Backup Server 1 still safe to use?
Proxmox Backup Server 1 reached end of life on 30 Sept 2022, 1,409 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Proxmox Backup Server 1?
Yes — the final release (1.1.10) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Proxmox Backup Server 1 to?
Upgrade to Proxmox Backup Server 4, the newest actively supported branch.