VSS – Error – “Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\\?\fdc#generic_floppy_drive”


Reviewing errors on a couple of our servers and consistently seeing errors sourced to VSS.

BTW, VSS is a Microsoft Application and the term VSS stands for Volume Shadow Copy.


Error Image


Error Message

Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\\?\fdc#generic_floppy_drive#6&2cb9d9b7&0&0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b} - 0000000000000474,0x00560000,0000000000000000,0,0000003E699986F0,4096,[0]).  hr = 0x80070001, Incorrect function.

   Exposing Recovered Volumes
   Locating shadow-copy LUNs
   PostSnapshot Event
   Executing Asynchronous Operation

   Device: \\?\fdc#generic_floppy_drive#6&2cb9d9b7&0&0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}
   Examining Detected Volume: Existing - \\?\fdc#generic_floppy_drive#6&2cb9d9b7&0&0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}
   Execution Context: Provider
   Provider Name: VMware Snapshot Provider
   Provider Version: 1.0.0
   Provider ID: {564d7761-7265-2056-5353-2050726f7669}
   Current State: DoSnapshotSet

Error Explanation

The Event Source is VSS.  And, the Event ID is 12289.

And, the event description reads  “Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\?\fdc#generic_floppy_drive …  hr = 0x80070001, Incorrect function“.

Later on the Device Id is identified again within the Context sub-region.  And, the Device ID is 53f5630d-b6bf-11d0-94f2-00a0c91efb8b.



NetApp Community



Did you, by any change, create a VM with a floppy drive, installed Windows and then one day removed the floppy drive from the VM?

In that case disable the floppy drive in the Device Manager of Windows and see if the error goes away.



  1. Launch Control Panel \ Device Manager
  2. Select Floppy disk drives \ Floppy disk drive
    • Right click on your selection
    • From the drop-down menu, please select disable
 Device Manager – Original




 Device Manager – Disabling the device ….



 Device Manager – Disabled Device



Knowledge Based

Here is some of the KB available on the Net.


Device Id

Removable Drives



From smallvoid.com here are the registry keys for the various types of removable storages.

Device Type Registry Key
 CD and DVD Drives  {53f56308-b6bf-11d0-94f2-00a0c91efb8b}
 Floppy Drives  {53f56311-b6bf-11d0-94f2-00a0c91efb8b}
 Removable Disks  {53f5630d-b6bf-11d0-94f2-00a0c91efb8b}
 Tape Drives  {53f5630b-b6bf-11d0-94f2-00a0c91efb8b}





Error 0x80070001 often means that one is trying to access a device that does not exist.

Please refer to the following KB articles

  1. Windows backup or restore errors 0x80070001, 0x81000037, or 0x80070003

Giving Credit

Though DailyFresh will like to keep an Air of Anonymity, he still gets credit.


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