Available article translations:

Unable to resume a Windows virtual machine suspended in Parallels Desktop 14 after downgrading Parallels Desktop

  • Parallels Desktop 12 for Mac Home Edition
  • Parallels Desktop 13 for Mac Pro Edition


After suspending a Windows virtual machine in Parallels Desktop 14 and downgrading Parallels Desktop the virtual machine cannot be resumed.

The specified video memory size is invalid. notification message appears upon an attempt to resume the virtual machine


Video memory in the Windows virtual machine configuration in Parallels Desktop 14 was set to Auto.


To resume the virtual machine it is required to stop it and change video memory settings:

  1. Start Parallels Desktop and do not try resuming the virtual machine.
  2. Double-click on the virtual machine name in the Parallels Desktop Control Center to open its window.
  3. From the top menu bar Actions menu select Stop.
  4. Then from the same Actions menu select Configure or use other ways to access the virtual machine configuration
  5. Go to Hardware - Video and change Memory to a required value.
    NOTE: For most of the situations assigning 512 MB is more than enough. If multiple high resolution displays are used assign 1 GB or even 2 GB if required.

a9c6e0b6a5209e617a7c0dd5eace86cf 1e5db16426987d561060acdf56d947b4 75d98cd907f9039d751a2fcf959077c7 f9b6a8d63f3437e0dca35c9704a9033c 6d53a4d80efd0f6be3fae79f4ef5e81c

Was this article helpful?
Tell us how we may improve it.
Yes No