This is a . For official Windows 11 24H2, build 26100.1742 corresponds to a specific cumulative update (KB5043080) released in late 2024. No Windows Server build shares this exact UBR in official channels.
The primary focus is bridging on-premises infrastructure with the cloud. It is the most Azure-integrated version yet. The OS is tightly integrated with , allowing you to manage on-premises, multi-cloud, and edge servers from a single control plane in Azure. It also includes hotpatching capabilities, which allows you to apply security updates without a reboot, minimizing downtime and simplifying maintenance.
Hardware vendors use OEMRET images to validate drivers against specific builds before general release. Windows Server 2025.26100.1742-OEMRET-x64FRE-en...
Note: Always verify checksums before installing.
For OEMRET, upgrades will retain the OEM channel license, but the media must match the same edition family (Standard → Standard, Datacenter → Datacenter). This is a
C:\> SYSTEM_ADAPTATION_COMPLETE. WHO WOULD YOU LIKE TO OPTIMIZE NEXT?
: Specifically re-engineered storage stacks offer significant input/output operation gains on high-speed NVMe storage systems. It also includes hotpatching capabilities, which allows you
+-----------------------------------------------------------------------+ | Windows Server 2025 (Build 26100.1742) | +------------------------------------+----------------------------------+ | Storage & NVMe | Hybrid Cloud Mastery | | • 70% IOPs Performance Boost | • Hotpatching Enabled | | • Native NVMe over Fabrics | • Direct Azure Arc Integration | +------------------------------------+----------------------------------+ | Identity Security | Hyper-V Evolution | | • 32k Active Directory Pages | • GPU Partitioning (GPU-P) | | • Mandatory TLS 1.3 for LDAPS | • Generation 2 VM Defaults | +------------------------------------+----------------------------------+ 1. Next-Generation Storage Performance
: Better native support for GPU partitioning (GPU-P), making it easier to share hardware acceleration across virtual machines for AI workloads. This build is particularly useful for: Homelab Testing
If you see build 26100.1742 in a server context, it is almost certainly a mislabeled or repurposed.
While we don't have a lot of concrete details about Windows Server 2025 just yet, the build string "Windows Server 2025.26100.1742-OEMRET-x64FRE-en" suggests that we're getting close to a final release. As Microsoft continues to develop and refine its server operating system, we're excited to see what new features and improvements will make it into the final version. Stay tuned for more updates as we learn more!