Resilient File System on Windows 10 Pro

While NTFS is a reliable file system, Windows 10 can have ReFS enabled for data drives and some external drives.  What exactly is ReFS?

ReFS is Resilient File System.  ReFS insures data availability,  supports large file systems without a performance hit and has a Scrubber that supports Acute Error Correction. It supports up to a Max. Volume size of 1 yobibyte (280 bytes) and a Max. file size of 16 exbibytes (264−1 bytes).

Fact 1 exbibyte =    1,152,921,504.606 Gigabytes (over 1 trillion billion gigabytes)

      (More information –Building the next generation file system for Windows: ReFS)

So how do you enable it?  (Caution- Perform these steps at your own risk)

FIRST – make a backup and create a restore point.   Then – right click on the menu and select run.  Type regedit.   Navigate to –
Next create a DWORD and name it –
RefsDisableLastAccessUpdate and set its value to 1



Next navigate to –
(Note: You may have to create this Key)

Under this key, create AllowRefsFormatOverNonmirrorVolume and set it to 1 (its value)


Unlike Fat32, you cannot use the convert command to convert to ReFS.  You must backup your data first.  You also cannot use it on your system drive and boot with ReFS.


About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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