Windows Server 2025.26100.1742-oemret-x64fre-en... !!top!! Jun 2026

Unlike retail or volume license versions, OEMRET images are typically locked to the original hardware (via BIOS/UEFI SLIC tables) and may include drivers and OEM branding tools.

For systems deployment teams, parsing the exact nomenclature of an installation image is vital for verifying deployment compliance and tracking patch baselines.

Microsoft offers 180-day evaluation ISOs for: Windows Server 2025.26100.1742-OEMRET-x64FRE-en...

: Scales seamlessly to support complex guest operating system configurations, allowing up to 240TB of RAM and 2,048 logical processors per physical host environment.

: Features a refreshed UI consistent with Windows 11, including a modern Task Manager , Windows Terminal , and native support for Wi-Fi and Bluetooth (though these must be manually enabled via services). Build Summary Windows Server 2025 | Microsoft Evaluation Center Unlike retail or volume license versions, OEMRET images

New rate limiters for SMB authentication help prevent automated password attacks. Which Edition Is Right for You?

While a stable release, initial users and testers have identified some issues present in Build 26100.1742 : : Features a refreshed UI consistent with Windows

: Always verify hash values (SHA-256) of any OEMRET image against the hardware vendor’s provided checksum to avoid tampered or malicious versions.

Microsoft re-engineered the underlying I/O sub-stack specifically to accommodate modern flash arrays. Optimization for non-volatile memory express (NVMe) systems yields up to a compared to Windows Server 2022, making it an incredibly robust foundation for resource-heavy database hosts like Microsoft SQL Server. ⚡ Live Hotpatching for All Editions

Previously restricted to specialized cloud tiers, allows administrators to apply critical operating system security patches to memory instantly. The server updates without forcing a system restart, drastically reducing maintenance windows and eliminating standard service disruptions. 🧠 Advanced GPU Partitioning (GPU-P)

The directory services layer receives its most substantial update in over a decade. The database engine expands to support optional , completely eliminating historical structural bottlenecks. It also introduces default cryptographic protections for domain controller communication to neutralize internal network spoofing. 🛡️ Default Credential Guard and SMB Enhancements Windows Server 2025 Is Here - But Should You Upgrade?