If you’re managing enterprise Linux environments, understanding End of Service (EOS) and End of Life (EOL) schedules is critical. Without this knowledge, you risk running systems without security patches or technical support.
SUSE Linux Enterprise Server 15 SP7, released in June 2025, has been generating significant attention in the industry. It offers an impressive lifecycle extending to 2037. SUSE is renowned for providing 13-year product lifecycles, and this comprehensive guide covers support schedules for all versions.
1. Understanding SUSE Linux Enterprise Server
SUSE Linux Enterprise Server is an enterprise-grade Linux distribution developed by SUSE in Germany. While based on openSUSE, it undergoes significantly more rigorous testing and validation, resulting in exceptional stability.
SLES excels particularly in SAP HANA, virtualization environments, and high-performance computing (HPC). Notable deployments include IBM Watson and HPE Frontier, the world’s first exascale supercomputer, both running on SLES 15.
The key advantage of SLES is its extended support period. Each major version receives 10 years of General Support, with optional paid Long-Term Service Pack Support (LTSS) extending coverage up to 13 years total. Minor versions (Service Packs) are released approximately every 12 months, while major versions arrive at 3-4 year intervals.
2. Understanding Support Types – General, LTSS, and ESPOS
Understanding SLES support policies requires familiarity with several key terms.
General Support is the baseline support period provided after product release. During this phase, you receive security updates, bug fixes, and full technical support. Each service pack has a defined general support period, typically lasting 6 months to 1 year after the next service pack’s release.
LTSS (Long Term Service Pack Support) is optional paid extended support available after general support ends. During LTSS, critical security patches and core bug fixes continue, but new features are not added. LTSS typically provides an additional 3 years of support.
ESPOS (Extended Service Pack Overlap Support) is special support for SAP environments. Included with SLES for SAP Applications, ESPOS provides an additional 3 years of overlap support after general support ends, allowing ample time to upgrade to the next service pack.
LTSS Core provides ultra-long-term support for the most critical packages, sometimes extending beyond the standard LTSS period.
3. SUSE Linux Enterprise Server (SLES) 15 Series Detailed Support Schedule
SLES 15 is the current major version, with the first release in July 2018 and ongoing service pack releases.
| Version | Release Date (GA) | General Support End | LTSS End | LTSS Core End |
|---|---|---|---|---|
| SLES 15 SP7 | June 17, 2025 | July 31, 2031 | July 31, 2034 | December 2037 |
| SLES 15 SP6 | June 26, 2024 | 6 months after SP7 release | 42 months after SP7 release | – |
| SLES 15 SP5 | June 20, 2023 | December 31, 2024 | December 31, 2027 | – |
| SLES 15 SP4 | June 21, 2022 | December 31, 2023 | December 31, 2026 | – |
| SLES 15 SP3 | June 22, 2021 | December 31, 2022 | December 31, 2025 | – |
| SLES 15 SP2 | July 21, 2020 | December 31, 2021 | December 31, 2024 | – |
| SLES 15 SP1 | June 24, 2019 | January 31, 2021 | January 31, 2024 | – |
| SLES 15 | July 16, 2018 | December 31, 2019 | December 31, 2022 | – |
SLES 15 SP7 is particularly noteworthy. Released in June 2025 as the final service pack in the SLES 15 series, it provides general support until 2031. Including LTSS extends coverage to 2034, and LTSS Core support reaches 2037, making it ideal for long-term projects and stability-critical environments.
Official information is available at the SUSE Official Lifecycle Page.
4. SUSE Linux Enterprise Server (SLES) 12 Series Detailed Support Schedule
SLES 12, first released in October 2014, remains in operation at many enterprises.
| Version | Release Date (GA) | General Support End | LTSS End | LTSS Core End |
|---|---|---|---|---|
| SLES 12 SP5 | December 9, 2019 | October 31, 2024 | October 31, 2027 | October 2030 |
| SLES 12 SP4 | December 12, 2018 | June 30, 2020 | June 30, 2023 | – |
| SLES 12 SP3 | September 7, 2017 | June 30, 2019 | June 30, 2022 | – |
| SLES 12 SP2 | November 8, 2016 | March 31, 2018 | March 31, 2021 | – |
| SLES 12 SP1 | December 15, 2015 | May 31, 2017 | May 31, 2020 | – |
| SLES 12 | October 27, 2014 | June 30, 2016 | July 1, 2019 | – |
SLES 12 SP5 general support has ended, but LTSS extends coverage to 2027, with LTSS Core available until 2030. Organizations still running SLES 12 should plan migration to SLES 15.
5. SUSE Linux Enterprise Server (SLES) 11 Series Detailed Support Schedule
SLES 11 general support has ended, though some environments may still operate under LTSS.
| Version | Release Date (GA) | General Support End | LTSS End | LTSS Core End |
|---|---|---|---|---|
| SLES 11 SP4 | July 15, 2015 | March 31, 2019 | March 31, 2022 | March 31, 2028 |
| SLES 11 SP3 | July 1, 2013 | January 31, 2016 | January 30, 2019 | – |
| SLES 11 SP2 | February 29, 2012 | January 31, 2014 | January 30, 2017 | – |
| SLES 11 SP1 | June 2, 2010 | August 31, 2012 | August 30, 2015 | – |
| SLES 11 | March 24, 2009 | December 31, 2010 | – | – |
While SLES 11 SP4 LTSS Core support extends to 2028, upgrading to at least SLES 12 is strongly recommended due to increasing security risks.
6. SLES 10 and Earlier Version Support Schedule
SLES 10 support has completely ended. This information is provided for reference only.
| Version | Release Date (GA) | General Support End | LTSS End |
|---|---|---|---|
| SLES 10 SP4 | April 12, 2011 | July 31, 2013 | July 30, 2016 |
| SLES 10 SP3 | October 12, 2009 | October 11, 2011 | October 31, 2014 |
| SLES 10 SP2 | May 19, 2008 | April 11, 2010 | April 10, 2013 |
| SLES 10 SP1 | June 18, 2007 | November 30, 2008 | December 2010 |
| SLES 10 | July 17, 2006 | December 31, 2007 | – |
Systems still running SLES 10 require immediate upgrade due to serious security vulnerabilities.
7. SLES for SAP Applications Support Schedule
SLES for SAP Applications, optimized for SAP workloads, follows the same lifecycle as base SLES but provides additional support through ESPOS.
SLES for SAP Applications 15 Series
| Version | Release Date (GA) | General Support End | ESPOS End | LTSS End | LTSS Core End |
|---|---|---|---|---|---|
| SLES for SAP 15 SP7 | June 17, 2025 | July 31, 2031 | N/A* | July 31, 2034 | December 2037 |
| SLES for SAP 15 SP6 | June 26, 2024 | 6 months after SP7 release | 42 months after SP7 release | – | – |
| SLES for SAP 15 SP5 | June 20, 2023 | December 31, 2024 | December 31, 2027 | – | – |
| SLES for SAP 15 SP4 | June 21, 2022 | December 31, 2023 | December 31, 2026 | – | – |
| SLES for SAP 15 SP3 | June 22, 2021 | December 31, 2022 | December 31, 2025 | – | – |
| SLES for SAP 15 SP2 | July 21, 2020 | December 31, 2021 | December 31, 2024 | – | – |
| SLES for SAP 15 SP1 | June 24, 2019 | January 31, 2021 | January 31, 2024 | – | – |
| SLES for SAP 15 | July 16, 2018 | December 31, 2019 | December 31, 2022 | – | – |
SLES for SAP Applications 12 Series
| Version | Release Date (GA) | General Support End | ESPOS End | LTSS End | LTSS Core End |
|---|---|---|---|---|---|
| SLES for SAP 12 SP5 | December 9, 2019 | October 31, 2024 | N/A* | October 31, 2027 | October 2030 |
| SLES for SAP 12 SP4 | December 12, 2018 | June 30, 2020 | June 30, 2023 | – | – |
| SLES for SAP 12 SP3 | September 7, 2017 | June 30, 2019 | June 30, 2022 | – | – |
| SLES for SAP 12 SP2 | November 8, 2016 | March 31, 2018 | March 31, 2021 | – | – |
| SLES for SAP 12 SP1 | December 15, 2015 | May 31, 2017 | May 31, 2020 | – | – |
| SLES for SAP 12 | October 27, 2014 | June 30, 2016 | August 31, 2019 | – | – |
SLES for SAP Applications 11 Series
| Version | Release Date (GA) | ESPOS End | LTSS End | LTSS Core End |
|---|---|---|---|---|
| SLES for SAP 11 SP4 | July 30, 2015 | March 31, 2019 | March 31, 2022 | March 2028 |
| SLES for SAP 11 SP3 | October 17, 2013 | January 31, 2017 | January 31, 2019 | – |
| SLES for SAP 11 SP2 | June 15, 2012 | April 30, 2015 | April 30, 2017 | – |
| SLES for SAP 11 SP1 | February 4, 2011 | December 31, 2013 | – | – |
| SLES for SAP 11 | May 11, 2010 | August 31, 2012 | – | – |
*Final service packs have no subsequent SP, so ESPOS is not provided.
In SAP environments, longer upgrade cycles make the additional 3-year ESPOS support period particularly valuable. For details, see the SLES for SAP Official Documentation.
8. SUSE Linux Enterprise Desktop (SLED) Support Schedule
SUSE Linux Enterprise Desktop for workstations provides a 10-year lifecycle (7 years general support + 3 years LTSS), differing from SLES.
SLED 15 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SLED 15 SP7 | June 17, 2025 | July 31, 2028 |
| SLED 15 SP6 | June 26, 2024 | 6 months after SP7 release |
| SLED 15 SP5 | June 14, 2023 | December 31, 2024 |
| SLED 15 SP4 | June 21, 2022 | December 31, 2023 |
| SLED 15 SP3 | June 22, 2021 | December 31, 2022 |
| SLED 15 SP2 | July 21, 2020 | December 31, 2021 |
| SLED 15 SP1 | June 24, 2019 | January 31, 2021 |
| SLED 15 | July 16, 2018 | December 31, 2019 |
SLED 12 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SLED 12 SP4 | December 12, 2018 | December 31, 2019 |
| SLED 12 SP3 | September 7, 2017 | June 30, 2019 |
| SLED 12 SP2 | November 8, 2016 | March 31, 2018 |
| SLED 12 SP1 | December 15, 2015 | May 31, 2017 |
| SLED 12 | October 27, 2014 | June 30, 2016 |
SLED 11 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SLED 11 SP4 | July 15, 2015 | March 31, 2016 |
| SLED 11 SP3 | July 1, 2013 | January 31, 2016 |
| SLED 11 SP2 | February 29, 2012 | January 31, 2014 |
| SLED 11 SP1 | June 2, 2010 | August 31, 2012 |
| SLED 11 | March 24, 2009 | December 31, 2010 |
9. SUSE Linux Enterprise High Availability Extension Support Schedule
High availability extension for cluster environments.
High Availability Extension 15 Series
| Version | Release Date (GA) | General Support End | LTSS End |
|---|---|---|---|
| HA Extension 15 SP7 | June 17, 2025 | July 31, 2031 | July 31, 2034 |
| HA Extension 15 SP6 | June 26, 2024 | 6 months after SP7 release | 42 months after SP7 release |
| HA Extension 15 SP5 | June 20, 2023 | December 31, 2024 | December 31, 2027 |
| HA Extension 15 SP4 | June 21, 2022 | December 31, 2023 | December 31, 2026 |
| HA Extension 15 SP3 | June 22, 2021 | December 31, 2022 | December 31, 2025 |
| HA Extension 15 SP2 | July 21, 2020 | December 31, 2021 | December 31, 2024 |
| HA Extension 15 SP1 | June 24, 2019 | January 31, 2021 | January 31, 2024 |
| HA Extension 15 | July 16, 2018 | December 31, 2019 | December 31, 2022 |
High Availability Extension 12 Series
| Version | Release Date (GA) | General Support End | LTSS End |
|---|---|---|---|
| HA Extension 12 SP5 | December 9, 2019 | October 31, 2024 | October 31, 2027 |
| HA Extension 12 SP4 | December 12, 2018 | June 30, 2020 | June 30, 2023 |
| HA Extension 12 SP3 | September 7, 2017 | June 30, 2019 | June 30, 2022 |
| HA Extension 12 SP2 | November 8, 2016 | March 31, 2018 | March 31, 2021 |
| HA Extension 12 SP1 | December 15, 2015 | May 31, 2017 | May 31, 2020 |
| HA Extension 12 | October 27, 2014 | June 30, 2016 | July 1, 2019 |
High Availability Extension 11 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| HA Extension 11 SP4 | July 15, 2015 | March 31, 2019 |
| HA Extension 11 SP3 | July 1, 2013 | January 31, 2016 |
| HA Extension 11 SP2 | February 29, 2012 | January 31, 2014 |
| HA Extension 11 SP1 | June 2, 2010 | August 31, 2012 |
| HA Extension 11 | March 24, 2009 | December 31, 2010 |
10. SUSE Linux Enterprise HPC Support Schedule
Specialized version for high-performance computing (HPC) workloads.
SLES HPC 15 Series
| Version | Release Date (GA) | General Support End | LTSS End |
|---|---|---|---|
| SLES HPC 15 SP7 | June 17, 2025 | July 31, 2031 | July 31, 2034 |
| SLES HPC 15 SP6 | June 26, 2024 | 6 months after SP7 release | TBD |
| SLES HPC 15 SP5 | June 20, 2023 | December 31, 2024 | December 31, 2027 |
| SLES HPC 15 SP4 | June 21, 2022 | December 31, 2023 | December 31, 2026 |
| SLES HPC 15 SP3 | June 22, 2021 | December 31, 2022 | December 31, 2025 |
| SLES HPC 15 SP2 | July 21, 2020 | December 31, 2021 | December 31, 2024 |
| SLES HPC 15 SP1 | June 24, 2019 | January 31, 2021 | January 31, 2024 |
| SLES HPC 15 | July 16, 2018 | December 31, 2019 | December 31, 2022 |
SLES HPC 12 Series
| Version | Release Date (GA) | General Support End | LTSS End |
|---|---|---|---|
| SLES HPC 12 SP5 | December 9, 2019 | October 31, 2024 | October 31, 2027 |
| SLES HPC 12 SP4 | December 12, 2018 | June 30, 2020 | June 30, 2023 |
| SLES HPC 12 SP3 | September 7, 2017 | June 30, 2019 | June 30, 2022 |
11. SUSE Linux Enterprise Real Time Support Schedule
Specialized version for real-time workloads critical in manufacturing, finance, and telecommunications where latency matters.
SLES Real Time 15 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SLES RT 15 SP7 | June 17, 2025 | July 31, 2028 |
| SLES RT 15 SP6 | June 26, 2024 | 6 months after SP7 release |
| SLES RT 15 SP5 | June 20, 2023 | 6 months after SP6 release |
| SLES RT 15 SP4 | November 16, 2022 | December 31, 2023 |
| SLES RT 15 SP3 | October 22, 2021 | May 31, 2023 |
| SLES RT 15 SP2 | October 16, 2020 | April 30, 2022 |
| SLES RT 15 SP1 | June 24, 2019 | April 30, 2021 |
SLES Real Time 12 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SLES RT 12 SP5 | January 31, 2020 | October 31, 2024 |
| SLES RT 12 SP4 | July 31, 2019 | July 31, 2020 |
| SLES RT 12 SP3 | July 31, 2018 | June 30, 2019 |
| SLES RT 12 SP2 | February 15, 2017 | January 31, 2019 |
| SLES RT 12 SP1 | March 8, 2016 | May 31, 2017 |
SLES Real Time 11 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SLES RT 11 SP4 | August 7, 2015 | March 31, 2019 |
| SLES RT 11 SP3 | August 20, 2013 | January 31, 2016 |
| SLES RT 11 SP2 | August 10, 2012 | January 31, 2014 |
| SLES RT 11 SP1 | August 30, 2010 | August 31, 2012 |
12. SUSE Linux Micro Support Schedule
Immutable operating system for lightweight container and edge environments.
| Version | Release Date (GA) | General Support End |
|---|---|---|
| SUSE Linux Micro 6.1 | November 26, 2024 | November 30, 2028 |
| SUSE Linux Micro 6.0 | June 6, 2024 | June 30, 2028 |
| SUSE Linux Micro 5.5 | October 12, 2023 | October 31, 2027 |
| SUSE Linux Micro 5.4 | April 20, 2023 | April 30, 2027 |
| SUSE Linux Micro 5.3 | October 25, 2022 | October 30, 2026 |
| SUSE Linux Micro 5.2 | April 14, 2022 | April 30, 2026 |
| SUSE Linux Micro 5.1 | October 26, 2021 | October 31, 2025 |
| SUSE Linux Micro 5.0 | March 30, 2021 | March 31, 2022 |
13. SUSE Linux Enterprise Workstation Extension Support Schedule
Extension package providing additional desktop applications and development tools.
Workstation Extension 15 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| WE 15 SP7 | June 17, 2025 | July 31, 2028 |
| WE 15 SP6 | June 26, 2024 | 6 months after SP7 release |
| WE 15 SP5 | June 20, 2023 | 6 months after SP6 release |
| WE 15 SP4 | June 21, 2022 | December 31, 2023 |
| WE 15 SP3 | June 22, 2021 | December 31, 2022 |
| WE 15 SP2 | July 21, 2020 | December 31, 2021 |
| WE 15 SP1 | June 24, 2019 | January 31, 2021 |
| WE 15 | July 16, 2018 | December 31, 2019 |
Workstation Extension 12 Series
| Version | Release Date (GA) | General Support End |
|---|---|---|
| WE 12 SP5 | December 9, 2019 | October 31, 2024 |
| WE 12 SP4 | December 12, 2018 | June 30, 2020 |
| WE 12 SP3 | September 7, 2017 | June 30, 2019 |
| WE 12 SP2 | November 8, 2016 | March 31, 2018 |
| WE 12 SP1 | December 15, 2015 | May 31, 2017 |
| WE 12 | October 27, 2014 | June 30, 2016 |
14. SUSE Multi-Linux Manager Support Schedule
Management tool for system administration and patch deployment.
| Version | Release Date (GA) | General Support End | LTSS End |
|---|---|---|---|
| SUSE Manager 5.0 | – | June 30, 2026 | – |
| SUSE Manager 4.3 | – | June 30, 2025 | June 30, 2026 |
| SUSE Manager 4.2 | – | October 31, 2023 | – |
| SUSE Manager 4.1 | – | October 31, 2022 | – |
| SUSE Manager 4.0 | – | June 30, 2021 | – |
15. Container and Kubernetes Management Product Support Schedule
SUSE Rancher Prime
| Version | Release Date (GA) | End of Maintenance (EOM) | End of Life (EOL) |
|---|---|---|---|
| Rancher 2.12 | August 29, 2025 | February 28, 2026 | February 28, 2027 |
| Rancher 2.11 | April 24, 2025 | October 24, 2025 | October 24, 2026 |
| Rancher 2.10 | December 19, 2024 | June 19, 2025 | June 19, 2026 |
| Rancher 2.9 | August 26, 2024 | February 26, 2025 | February 26, 2026 |
| Rancher 2.8 | January 22, 2024 | September 22, 2024 | July 22, 2025 |
| Rancher 2.7 | November 16, 2022 | May 15, 2024 | November 18, 2024 |
RKE2 (Rancher Kubernetes Engine 2)
| Version | Release Date (GA) | End of Maintenance (EOM) | End of Life (EOL) |
|---|---|---|---|
| RKE2 1.33 | May 7, 2025 | April 28, 2026 | June 28, 2026 |
| RKE2 1.32 | January 2, 2025 | December 28, 2025 | February 28, 2026 |
| RKE2 1.31 | September 4, 2024 | August 28, 2025 | October 28, 2025 |
| RKE2 1.30 | May 9, 2024 | April 28, 2025 | June 28, 2025 |
| RKE2 1.29 | January 13, 2024 | December 28, 2024 | February 28, 2025 |
| RKE2 1.28 | September 8, 2023 | August 28, 2024 | October 28, 2024 |
k3s (Lightweight Kubernetes)
| Version | Release Date (GA) | End of Maintenance (EOM) | End of Life (EOL) |
|---|---|---|---|
| k3s 1.33 | May 8, 2025 | April 28, 2026 | June 28, 2026 |
| k3s 1.32 | January 10, 2025 | December 28, 2025 | February 28, 2026 |
| k3s 1.31 | September 2, 2024 | August 28, 2025 | October 28, 2025 |
| k3s 1.30 | May 6, 2024 | April 28, 2025 | June 28, 2025 |
| k3s 1.29 | January 13, 2024 | December 28, 2024 | February 28, 2025 |
| k3s 1.28 | September 8, 2023 | August 28, 2024 | October 28, 2024 |
RKE (Rancher Kubernetes Engine 1)
| Version | Release Date (GA) | End of Life (EOL) |
|---|---|---|
| RKE 1.30 | July 22, 2024 | July 31, 2025 |
| RKE 1.29 | July 22, 2024 | February 28, 2025 |
| RKE 1.28 | July 22, 2024 | October 28, 2024 |
RKE follows upstream Kubernetes EOL schedules.
16. SUSE Virtualization and Storage Product Support Schedule
SUSE Virtualization (Harvester)
| Version | Release Date (GA) | End of Maintenance (EOM) | End of Life (EOL) |
|---|---|---|---|
| Harvester 1.5.1 (Prime) | June 30, 2025 | December 30, 2025 | December 30, 2026 |
| Harvester 1.5.0 (Community) | April 25, 2025 | December 30, 2025 | December 30, 2026 |
| Harvester 1.4.3 (Stable) | May 25, 2025 | – | November 27, 2025 |
| Harvester 1.4.0 (Stable) | November 27, 2024 | – | November 27, 2025 |
| Harvester 1.3.2 (Stable) | September 6, 2024 | – | June 13, 2025 |
| Harvester 1.3.0 | March 15, 2024 | – | June 13, 2025 |
SUSE Storage (Longhorn)
| Version | Release Date (GA) | End of Maintenance (EOM) | End of Life (EOL) |
|---|---|---|---|
| Longhorn 1.9.1 (Prime) | July 24, 2025 | January 24, 2026 | January 24, 2027 |
| Longhorn 1.9.0 (Community) | May 27, 2025 | January 24, 2026 | January 24, 2027 |
| Longhorn 1.8 (Stable) | January 21, 2025 | – | March 3, 2026 |
| Longhorn 1.7 (Stable) | August 20, 2024 | – | September 4, 2025 |
SUSE Security (NeuVector)
| Version | Release Date (GA) | End of Life (EOL) |
|---|---|---|
| NeuVector 5.4 | September 18, 2024 | October 31, 2026 |
| NeuVector 5.3 | February 1, 2024 | February 1, 2026 |
| NeuVector 5.2 | July 7, 2023 | July 6, 2025 |
| NeuVector 5.1 | December 16, 2022 | December 15, 2024 |
17. SUSE Edge Support Schedule
Integrated solution for edge computing environments.
| Version | Release Date (GA) | Full Support End | Maintenance Support End | EOL |
|---|---|---|---|---|
| SUSE Edge 3.3 | May 20, 2025 | November 20, 2025 | November 20, 2026 | November 21, 2026 |
| SUSE Edge 3.2 | January 20, 2025 | July 20, 2025 | January 20, 2027 | January 21, 2027 |
| SUSE Edge 3.1 | October 11, 2024 | April 11, 2025 | October 11, 2026 | October 12, 2026 |
| SUSE Edge 3.0 | April 26, 2024 | October 26, 2024 | April 26, 2025 | April 27, 2025 |
18. Practical Migration Strategies for EOS/EOL Preparation
Once you understand the EOS/EOL schedules, preparation is essential. Based on experience, migration planning should begin at least 6 months to 1 year in advance.
Start with test environment setup. Deploy the new version on test servers matching your production configuration and validate all application compatibility. Custom-developed applications and third-party software require thorough pre-migration testing.
SUSE migration tools significantly streamline the process. The SUSE Distribution Migration System (DMS) automates upgrades between service packs or major versions. Online migration capabilities minimize downtime.
Backups are mandatory. Create complete system backups before migration. Develop rollback procedures for contingencies.
Consider LTSS purchase as a strategy. If migration preparation is insufficient, purchasing LTSS buys additional time. While costly, this approach is preferable to rushed migrations that create problems.
19. Current Recommended Version and Roadmap for 2025
As of September 2025, SLES 15 SP7 is strongly recommended for new installations or migrations. Released in June 2025 with the latest features, it provides general support until 2031 and extended support through 2037, ensuring long-term stability.
SLES 15 SP7 major improvements include the latest virtualization stack with Xen 4.20, QEMU 9.2.2, and libvirt 11.0.0. Kernel updates improve modern hardware support with enhanced security features.
Organizations currently running SLES 12 SP5 should expedite migration to SLES 15, as general support ended in October 2024. While LTSS extends coverage to 2027, completing migration by 2026 is advisable.
For SLES 15 SP5 or SP6 users, while not immediately urgent, planning an upgrade to SP7 is recommended. SP5 general support ends December 31, 2024, requiring near-term decisions.
20. Useful Commands and Checklist
Methods for checking running SUSE product versions and support status.
Check current version:
cat /etc/os-release
Detailed version including service pack:
cat /etc/SuSE-release
System registration status and subscription information:
SUSEConnect --status
Available updates:
zypper list-updates
Security updates only:
zypper list-patches --category security
Pre-migration checklist:
- Verify current version and support end dates
- Complete full system backup
- Simulate migration in test environment
- Validate application compatibility
- Establish downtime plan and notify stakeholders
- Document rollback procedures
- Prepare post-migration verification scenarios
21. Additional Resources and Official Documentation
Always verify accurate current information from official sources.
- SUSE Official Product Lifecycle – Check support schedules for all SUSE products
- SUSE Support Policy – Detailed policies for General Support, LTSS, ESPOS
- SLES 15 SP7 Release Notes – Latest changes and known issues
- SUSE Documentation Center – Installation, configuration, migration guides
- endoflife.date – SLES – Community site for convenient EOS/EOL schedule lookup
SUSE regularly publishes security advisories. Subscribe at the SUSE Security Update Page for immediate notification of critical security issues.
This comprehensive guide covers EOS/EOL schedules for the complete SUSE Linux Enterprise product portfolio, including SLES, Desktop, SAP Applications, High Availability, HPC, Real Time, and Micro versions, plus container management tools like Rancher and k3s, and modern cloud-native products including Harvester, Longhorn, and NeuVector.
In enterprise environments, unplanned downtime can be critical. Understanding support termination schedules and preparing migrations with sufficient lead time is paramount.
SLES 15 SP7 offers an impressive lifecycle extending to 2037, making it ideal for long-term projects or stability-critical environments. Plan your optimal migration strategy for your system environment. 🙂