T Cloud Public Images Release Notes February 2026
Linux
Discontinue Enterprise_SLES15 SP6
OTC public image Enterprise_SLES_15.6 will be discontinued on 31st of May 2026.
what does that mean?
public images will be no longer listed in OTC public image list
- Enterprise_SLES_15.6_amd64_bios_latest
- Enterprise_SLES_15.6_amd64_bios_prev
- Enterprise_SLES_15.6_amd64_uefi_latest
- Enterprise_SLES_15.6_amd64_uefi_prev
- Enterprise_SLES_15.6_SAP_amd64_bios_latest
- Enterprise_SLES_15.6_SAP_amd64_bios_prev
- Enterprise_SLES_15.6_SAP_amd64_uefi_latest
- Enterprise_SLES_15.6_SAP_amd64_uefi_prev
OTC internal package repositories preconfigured in Enterprise_SLES_15.6 images will be available until 31st of July 2026.
https://imagefactory.otc.t-systems.com/package-repositories
Already existing ECS installed with one of these images
- can be reinstalled
- can be used to create a new ECS
A new ECS can still be installed with a discontinued image by using its image id directly.
Using a discontinued image is without OTC support.
More information about official SUSE support:
https://www.suse.com/de-de/lifecycle/
It is recommended to migrate existing ECS to
- Enterprise_SLES15_SP7
- Enterprise_SLES15_SP7_SAP
Windows
Updated Microsoft Windows Server Images with current Microsoft Windows Server Patches of February 2026, 11th
-
New updates for Windows Server 2016
- Windows Malicious Software Removal Tool x64 - v5.139 (KB890830)
- 2026-02 Servicing Stack Update for Windows Server 2016 for x64-based Systems (KB5075902)
- 2026-02 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5075999)
-
New updates for Windows Server 2019
- 2026-02 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5075904)
- Windows Malicious Software Removal Tool x64 - v5.139 (KB890830)
-
New updates for Windows Server 2022
- Microsoft Edge-Extended Stable Channel Version 144 Update for x64 based Editions (Build 144.0.3719.115)
- Microsoft Edge-Stable Channel Version 144 Update for x64 based Editions (Build 144.0.3719.115)
- Windows Malicious Software Removal Tool x64 - v5.139 (KB890830)
- 2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5075906)
-
New updates for Windows Server 2025
- Microsoft Edge-WebView2 Runtime Version 144 Update for x64 based Editions (Build 144.0.3719.115)
- Microsoft Edge-Extended Stable Channel Version 144 Update for x64 based Editions (Build 144.0.3719.115)
- Microsoft Edge-Stable Channel Version 144 Update for x64 based Editions (Build 144.0.3719.115)
- Windows Malicious Software Removal Tool x64 - v5.139 (KB890830)
- 2026-02 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5075899)
Updated Drivers and Tools
- NVIDIA driver updates for solving CVE-2025-33219, CVE-2025-33220 - see https://nvidia.custhelp.com/app/answers/detail/a_id/5747
- NVIDIA grid driver539.64 for Windows Server 2019, 2022, (2025 not officially supported) - Chocolatey Package OtcNvidiaDriverR535 539.64.0
- NVIDIA grid driver 582.16 for Windows Server 2022, 2025 - no officiall OTC support - Chocolatey Package OtcNvidiaDriverR580 582.16.0
- NVIDIA datacenter driver 582.16 for Windows Server 2022, 2025 (A100, H100 only)
- NVIDIA datacenter driver 539.64 for Windows Server 2019 (A100, H100 only)
Unchanged Drivers and Tools
- Cloudbase-Init: 1.1.6 (stable version) with OTC patch 1.0
- service startup type is set to manual and triggerinfo is set to start/networkon (prevents error messages of not running cloudbase-init service)
- .net Framework 4.8 (Windows Server 2016 and 2019 only)
- virtIO KVM driver package version 0.1.262
- Chocolatey client version 2.3.0