NetBackup Appliance OS 5.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
NetBackup Appliance OS 5.5 is actively supported.
5.5.0.1 MR1 latest release
Support timeline
Official dates from the NetBackup Appliance OS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Jul 2025 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 5.5.0.1 MR1 · 31 Jul 2025 | current |
Frequently asked questions
When does NetBackup Appliance OS 5.5 reach end of life?
No end-of-life date has been announced for NetBackup Appliance OS 5.5 yet.
Is NetBackup Appliance OS 5.5 still supported?
Yes. NetBackup Appliance OS 5.5 is currently maintained. Latest release: 5.5.0.1 MR1, published 31 Jul 2025.
What happens when NetBackup Appliance OS 5.5 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from NetBackup Appliance OS 5.5?
No end-of-life date has been announced yet.