Oracle Solaris 11.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Oracle Solaris 11.3 reached end of life on 1 Jan 2021. Standard support is over — security updates now require extended support, which runs to 1 Jan 2027.
Support timeline
Official dates from the Oracle Solaris release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Oct 2015 | — |
| End of life | 1 Jan 2021 | 5.6 years ago |
| Extended support ends | 1 Jan 2027 | 145 days left |
| Latest release | — | final |
Where to go from 11.3
Recommended target: Oracle Solaris 11.4 (supported until 1 Nov 2031).
The newest actively supported branch is Oracle Solaris 11.4 (latest release ).
Frequently asked questions
Is Oracle Solaris 11.3 still safe to use?
Oracle Solaris 11.3 left standard support on 1 Jan 2021. It still receives security updates under extended support until 1 Jan 2027 — 145 days from now — but only if you are enrolled. Without it, no fixes reach you.
Can I still download Oracle Solaris 11.3?
Yes — the final release (11.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Oracle Solaris 11.3 to?
Upgrade to Oracle Solaris 11.4, the newest actively supported branch (supported until 1 Nov 2031).