As of Windows 10 Version 1511, ReFS isn’t available by default as an option when formatting drives that aren’t part of a Storage Space. It’s easy, however, to enable this functionality by adding a DWORD named
AllowRefsFormatOverNonmirrorVolume under the Registry key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MiniNT (an example guide can be found here).
Unfortunately, the presence of
MiniNT Registry key causes various Windows components to think they’re running in the Windows Preinstallation Environment. Significantly, the presence of the key breaks the Event Viewer – attempt to open any log and you’ll be greeted with the following very unhelpful error message:
Event Viewer cannot open the event log or custom view. Verify that Event Log service is running or query is too long. The request is not supported (50)
If this weren’t enough, apparently Windows PowerShell remoting will stop working, too.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MiniNT as soon as you’re done formatting your drive with ReFS.
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