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Windows Server News and Best Practices
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Announcing ReFS Boot for Windows Server Insiders

chcurlet-msft's avatar
chcurlet-msft
Icon for Microsoft rankMicrosoft
Feb 26, 2026

Resilient, Scalable, High-Performance Boot Volumes

We’re excited to announce that Resilient File System (ReFS) boot support is now available for Windows Server Insiders in Insider Preview builds. For the first time, you can install and boot Windows S...
Updated Feb 26, 2026
Version 1.0
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storage
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Karl-WE's avatar
Karl-WE
MVP
Mar 03, 2026

Hi chcurlet-msft​ do you know about dependencies for ReFS Boot?

Does it work likewise with Gen1 and Gen2 Hyper-V VMs or is Secure Boot required?
Can customers leverage ReFS Boot with the new NVMe driver?

  • chcurlet-msft's avatar
    chcurlet-msft
    Icon for Microsoft rankMicrosoft
    Mar 03, 2026

    Hi Karl, Secure Boot is not required. 
    UEFI FW is required -- consequently, Generation 1 VMs are not supported. 
    Yes, you can leverage ReFS Boot with native NVMe.