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

As of 2026, Microsoft’s server OS roadmap remains focused on:

| Version | Latest Build (Example) | Support End | |---------|----------------------|--------------| | Windows Server 2022 | 20348.xxxx | October 2031 | | Windows Server 2019 | 17763.xxxx | January 2029 | | Windows Server (Annual Channel) | 25xx previews | Varies |

What about “Server 2025”?
Microsoft has been testing a “vNext” release internally, sometimes referred to as Windows Server 2025 or 2026 by enthusiasts. However, no public RTM (Release to Manufacturing) exists. The only legitimate way to test future server versions is via: Windows Server 2025.26100.1742-OEMRET-x64FRE-en...

If you see build 26100.1742 in a server context, it is almost certainly a Windows 11 24H2 client OS mislabeled or repurposed.

This is the most specific technical data point: As of 2026, Microsoft’s server OS roadmap remains

Based on early user feedback:

To validate the image:

A stable retail/OEM release of Windows Server 2025, build 26100.1742, 64‑bit English edition. Intended for production deployments on compatible x64 hardware or virtual machines; distributed through OEM partners and retail channels.