Proxmox Backup Server end of life: end of support by version
Proxmox Server Solutions · Virtualization & Backup
For Proxmox Backup Server by Proxmox Server Solutions, patchletter knows 4 support cycles. 3 of them have already ended and receive no more security updates. The current version of Proxmox Backup Server is 4.2. The cycles come from the open endoflife.date project, last reconciled on 30/09/2026.
When does support end for which Proxmox Backup Server version?
A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.
| Cycle | Latest version | End of support | Status |
|---|---|---|---|
| 4 | 4.2 | no date on record | supported |
| 3 | 3.4 | 40 days ago | End of Life |
| 2 | 2.4.1 | 801 days ago | End of Life |
| 1 | 1.1.10 | 1471 days ago | End of Life |
Which Proxmox Backup Server versions no longer receive security updates?
3 of 4 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.
- Proxmox Backup Server 33.4
- Proxmox Backup Server 22.4.1
- Proxmox Backup Server 11.1.10
Where does the EOL data for Proxmox Backup Server come from?
From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the Proxmox Backup Server data is as of 30/09/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.
New Proxmox Backup Server versions by email
Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.