Nutanix AOS 5.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Nutanix AOS 5.5 reached end of life on 30 Sept 2020. It no longer receives security fixes.
Support timeline
Official dates from the Nutanix AOS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 Dec 2017 | — |
| End of life | 30 Sept 2020 | 5.9 years ago |
| Active support ended | 31 Oct 2019 | security fixes only after this |
| Latest release | 5.5.9.5 · 8 Aug 2019 | final |
Where to go from 5.5
Recommended target: Nutanix AOS 7.6 (supported until 31 Jul 2028).
The newest actively supported branch is Nutanix AOS 7.6 (latest release 7.6).
Frequently asked questions
Is Nutanix AOS 5.5 still safe to use?
Nutanix AOS 5.5 reached end of life on 30 Sept 2020, 2,139 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Nutanix AOS 5.5?
Yes — the final release (5.5.9.5) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Nutanix AOS 5.5 to?
Upgrade to Nutanix AOS 7.6, the newest actively supported branch (supported until 31 Jul 2028).