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Verifying hosted virtual machine file integrity

Symptoms

  • Cannot power on a virtual machine
  • Unable to take a snapshot.
  • Error taking a snapshot.
  • File not found.
  • This file is required to power on this virtual machine.
  • If this file was moved, please provide its new location.
  • Check for missing files failed.
  • A needed file was not found.
  • Cannot open the disk or one of the snapshot disks it depends on.
  • The handle is invalid.
  • Unable to resume a virtual machine.
  • Unrecoverable error.  Unexpected signal 10.

Purpose

This article guides you through determining if one or more of your virtual machine's files are corrupt.  Corrupt virtual machine files can result in being unable to perform operations on a virtual machine.  These operations include powering it on, resuming it from a suspended state, and taking a snapshot.

Resolution

Determine if one or more corrupt virtual machine files is causing unexpected behaviour resulting in the failure of a virtual machine operation:

Notes:
  • For information on determining the location of virtual machine files, see Locating a hosted virtual machine's files (1003880).
  • It is recommended that you reboot your host computer prior to following these troubleshooting steps.
  • If you perform a corrective action in any of the following steps, attempt the virtual machine operation again.
  1. If you are unable to perform operations with a virtual machine that has a snapshot, confirm that its parent disks have not been modified. For further information, see Verifying the integrity of hosted virtual machine parent disks (1003861).

  2. If you are unable to resume a virtual machine that had been suspended:

    1. Navigate to the directory where the virtual machine's files are located.
    2. Delete the file that ends in .vmss as well as any files or folders that end in .lck.

      Note: The suspend state of the virtual machine will be lost. This operation will replicate a physical machine having had its power unplugged.

  3. Confirm that you have a valid virtual machine configuration (.vmx ) file. For further information, see Validating a virtual machine's .vmx settings (1003748).

  4. Confirm that you have a virtual disk (.vmdk ) file for each virtual disk defined for the virtual machine and that it is named correctly. For more information, see Verifying hosted virtual machine file names (1003859).

  5. If you are still unable to power on a virtual machine:

    1. Navigate to the directory where the virtual machine's files are located.
    2. Delete the file that ends in .nvram .

  6. Check if the virtual machine runs on another host:

Additional Information

For related troubleshooting information, see Troubleshooting import and export failures in Lab Manager (1006333).

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Actions
  • KB Article: 1003846
  • Updated: Aug 14, 2009
  • Products:
    VMware ACE
    VMware Fusion
    VMware GSX Server
    VMware Player
    VMware Server
    VMware Workstation