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NetBackup Appliance OSEnd of Life (EOL) Dates & Support Status
Active
Cloud & PlatformsLatest Version: 6.1.0.2 MR1Latest Release: Aug 31, 2026
NetBackup Appliance OS is the operating system powering Veritas NetBackup backup appliances.
Support summary
NetBackup Appliance OS currently has supported cycles. Track the next EOL date and validate upgrades before your change window.
What do EOL and support statuses mean?Next EOL
No announced EOL date is currently listed.
Supported cycles
3
0 lts
Versions
12
Latest Version
6.1.0.2 MR1
Active Support
3
EOL
9
Lifecycle Timeline
Sep 26, 2017As of Sep 27, 2026
6.1Active · Date not announced
5.5Active · Date not announced
5.3Active · Date not announced
5.1EOL · Sep 8, 2025
5.0EOL · Mar 28, 2025
4.1EOL · Jun 7, 2024
4.0EOL · Jan 1, 2024
3.3EOL · Jul 29, 2024
3.2EOL · Jun 28, 2023
3.1EOL · Jun 28, 2022
ActiveSecurityEOLHistorical phase unknown
Bars show history up to the snapshot date. Gray intervals lack dated support boundaries; arrows indicate an unannounced EOL date, not a support guarantee.
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 6.1 | Jan 14, 2026 | Maintained | Date not announced | 6.1.0.2 MR1 | No | Active |
| 5.5 | Jul 31, 2025 | Maintained | Date not announced | 5.5.0.1 MR2 | No | Active |
| 5.3 | Nov 27, 2023 | Maintained | Date not announced | 5.3.0.1 MR5 | No | Active |
| 5.1 | Feb 8, 2023 | Ended | Sep 8, 2025 | 5.1.1 MR5 | No | EOL |
| 5.0 | Apr 25, 2022 | Ended | Mar 28, 2025 | 5.0.0.1 MR5 | No | EOL |
| 4.1 | Jul 19, 2021 | Ended | Jun 7, 2024 | 4.1.0.1 MR5 | No | EOL |
| 4.0 | Mar 1, 2021 | Ended | Jan 1, 2024 | 4.0.0.1 MR4 | No | EOL |
| 3.3 | Oct 5, 2020 | Ended | Jul 29, 2024 | 3.3.0.2 MR2 | No | EOL |
| 3.2 | Nov 4, 2019 | Ended | Jun 28, 2023 | 3.2 | No | EOL |
| 3.1 | Sep 26, 2017 | Ended | Jun 28, 2022 | 3.1.2 | No | EOL |
| 3.0 | Dec 4, 2016 | Ended | Oct 1, 2020 | 3.0 | No | EOL |
| 2.7 | Dec 6, 2015 | Ended | Oct 1, 2020 | 2.7.3 | No | EOL |
Data sources
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<a href="https://eol.wiki/netbackup-appliance-os/"><img src="https://eol.wiki/badge/netbackup-appliance-os.svg" alt="NetBackup Appliance OS end-of-life status" height="20"></a>Frequently Asked Questions
Which versions of NetBackup Appliance OS have reached end of life?
The following NetBackup Appliance OS versions have reached end of life and no longer receive security updates: 5.1, 5.0, 4.1, 4.0, 3.3, 3.2, 3.1, 3.0 (and 1 more). It is recommended to upgrade to a supported version.
Is it safe to continue using NetBackup Appliance OS 5.1?
NetBackup Appliance OS 5.1 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of NetBackup Appliance OS?
The latest version of NetBackup Appliance OS is 6.1.0.2 MR1, released in the 6.1 release cycle.
How many versions of NetBackup Appliance OS are currently supported?
NetBackup Appliance OS currently has 3 actively supported version(s): 6.1, 5.5, 5.3.
When does NetBackup Appliance OS 6.1 reach end of life?
NetBackup Appliance OS 6.1 does not have a specific end-of-life date announced yet.
What should I do when NetBackup Appliance OS reaches end of life?
When a NetBackup Appliance OS version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.