Failed to quiesce the virtual machine – ESXI 6.5 – Windows 2012 R2

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An error occurred while taking a snapshot: Failed to quiesce the virtual machine. ESXi 6.5 – Windows 2012 R2

Issue: the Virtual machine has physical RDM (Raw Device Map) attached when taking backup or manual snapshot, You will see the following error

An error occurred while quiescing the virtual machine. See the virtual machine’s event log for details.
An error occurred while taking a snapshot: Failed to quiesce the virtual machine.
An error occurred while saving the snapshot: Failed to quiesce the virtual machine.

Quiesce Snapshot Failed

An error also appears in event viewer application logs of system

Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\\?\fdc#generic_floppy_drive#6&2bc13940&0&0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b} – 00000000000004DC,0x00560000,0000000000000000,0,0000023AEBCEF9B0,4096,[0]). hr = 0x80070001, Incorrect function.
Operation:
Exposing Recovered Volumes
Locating shadow-copy LUNs
PostSnapshot Event
Executing Asynchronous Operation
Context:
Device: \\?\fdc#generic_floppy_drive#6&2bc13940&0&0#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}
Examining Detected Volume: Existing – \\?\fdc#generic_floppy_drive#6&2bc13940&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

VMware Snapshot Error

Solution: There can be multiple reasons for this error to appear.
Method 1: 

  • Right-click the virtual machine and select settings
  • You will find there is a floppy drive listed which commonly not required. You can also confirm this by logging on the operating system and drives in my computer.
  • Attempt to remove the floppy drive but you may not successful so you have to shut down the VM and remove it.
  • In some cases, it still appears on my computer even after emoving from settings. You can perform the following steps give by Vmware to get rid of this completely.
  • VMware KB
  • Power off the virtual machine.
  • Right-click the virtual machine and click Edit Settings.
  • Click the Options tab.
  • Click Boot Options under Advanced.
  • Select The next time the virtual machine boots, force entry into the BIOS setup screen option.
  • Power on the virtual machine.
  • Using arrow keys, disable Legacy Diskette A:
  • Press F10 to save the changes and exit. The machine reboots and completes the configuration.

Method 2: 

  • Open Program and Features, right-click VMware Tools and select Change, Next, Select  Modify
  • Select Volume Shadow Copy services support, click Entire feature will be unavailable, Click Next, Click Change, Click Finish

    Virtual Machine Snapshot Failed

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