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Windows images for Open Telekom Cloud

Windows self-managed images are provided as public Images in the Open Telekom Cloud.

Windows Server Image Content

OTC Windows Server Images are built on native Microsoft ISO images

It is a default OS installation with:

  • System disk of min 40 GB
  • Hardware drivers for KVM (VirtIO-Win) or BMS (Intel Chipset Drivers)
  • RDP enabled
  • latest Microsoft quality rollups and security patches
  • German and English keyboard
  • Page file set to fixed size of 8GB
  • .net Framework 4.8 (Windows Server 2016 and 2019 only)
  • Chocolatey client
  • Cloudbase-Init agent installation and sysprep started

During ECS (BMS) deployment server configuration is finished:

  • sysprep finished
  • host name and password is configured by cloudbase-init
  • winrm is enabled and configured by cloudbase-init
  • timezone configuration of OTC platform location
  • time synchronization with ntp server of OTC public service zone
  • server activation with KMS of OTC public service zone
  • Windows Update configured for automatic download and installation of updates from WSUS of OTC public service zone
  • Windows Defender configured to update pattern from WSUS of OTC public service zone
  • NVIDIA driver installation as Chocolatey package (on GPU flavors only)

List of public Windows Server Images

Image Type / OS Version Bios Type MS Windows Server Standard 2016 MS Windows Server Core Standard 2016
KVM Bios Enterprise_Windows_STD_2016_KVM Enterprise_Windows_STD_2016_CORE_KVM
Image Type / OS Version Bios Type MS Windows Server Standard 2019 MS Windows Server Core Standard 2019
KVM Bios Enterprise_Windows-Server_2019_STD_amd64_bios
KVM UEFI Enterprise_Windows-Server_2019_STD_amd64_uefi Enterprise_Windows-Server_2019_STD-CORE_amd64_uefi
Image Type / OS Version Bios Type MS Windows Server Standard 2022 MS Windows Server Core Standard 2022
KVM Bios Enterprise_Windows-Server_2022_STD_amd64_bios
KVM UEFI Enterprise_Windows-Server_2022_STD_amd64_uefi Enterprise_Windows-Server_2022_STD-CORE_amd64_uefi
BMS UEFI Enterprise_Windows-Server_2022_STD_amd64_uefi_BMS
Image Type / OS Version Bios Type MS Windows Server Standard 2025 MS Windows Server Core Standard 2025
KVM Bios Enterprise_Windows-Server_2025_STD_amd64_bios
KVM UEFI Enterprise_Windows-Server_2025_STD_amd64_uefi Enterprise_Windows-Server_2025_STD-CORE_amd64_uefi

Regular Updates

The Windows images are updated monthly, usually at midmonth a few days after Microsoft patch day.