Strange drive after update….

After weekend updates, several servers showed a random new mapped drive – but only in file explorer. It did not show up in Storage Management. Looking at it, some update had decided the EFI partition needed a drive letter….

This was on Server 2012R2, by the way – here’s the fix:

Administrative command prompt;

diskpart

list volume (find the one about 100 mb)

select volume #

remove

exit

And that’s it – ghost volume gone, EFI volume still where it’s supposed to be. Here’s the link I found that explained it to me….

https://www.tenforums.com/drivers-hardware/57417-hide-system-partition-shows-explorer-but-not-disk-management.html

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