Windows Server 2025.26100.1742-oemret-x64fre-en... -

It looks like you're asking for a report on a specific build string for Windows Server 2025. The string you provided:

Windows Server 2025.26100.1742-OEMRET-x64FRE-en... Windows Server 2025.26100.1742-OEMRET-x64FRE-en...

This appears to be an OEM recovery or preinstallation image of a Windows Server 2025 preview or early build (version number 26100.1742). It looks like you're asking for a report

Below is a structured technical report based on available information and standard analysis for such a build. Product name and build

---

Product name and build

• Product: Windows Server 2025 (short name)
• Build: 26100.1742
• SKU/type: OEMRET (OEM/retail channel)
• Architecture: x64 (64-bit)
• Language: en (English)
• Image flavor: FRE (final/release—free of debug symbols)

Upgrade and compatibility

• In-place upgrade: Follow Microsoft compatibility guidance—back up system state and test in lab; check role/feature support for in-place upgrade from prior server versions.
• Application compatibility: Validate critical server applications and drivers against build 26100.1742; update third-party drivers and agents.
• Virtualization: Supported as guest on modern hypervisors; consider integration services/tools updates.

Part 4. Installation Steps from ISO/Recovery Media

Assuming you have this specific image (e.g., as an ISO or USB recovery drive):

1. Boot from media – Enter BIOS to set boot order to USB/DVD.
2. Select language – English (United States) will be pre-selected.
3. Choose edition – Typically Server Standard or Datacenter (OEMRET).
4. Accept license terms – Standard EULA for OEM licenses.
5. Partition disk – If restoring, delete existing partitions carefully. The OEMRET may auto-create recovery and MSR partitions.
6. Begin installation – Files copy, then system reboots.
7. Post-setup – Configure network, set Administrator password, run slmgr /dli to confirm OEM activation.

Note: Build 26100.1742 may be an insider preview or early availability build if sourced from non-OEM channels. Check Microsoft’s official lifecycle page before production use.

---