Event ID 15221 — Virtual Machine Reset Operation

Updated: April 7, 2009

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

Virtual Machine Reset Operation

Event Details

Product: Windows Operating System
ID: 15221
Source: Microsoft-Windows-Hyper-V-VMMS
Version: 6.0
Message: '%1' failed to reset.


Start the virtual machine

Investigate the environment in which the restore virtual machine operation was attempted, including:

  1. access and permissions to the configuration file, memory file and all image files
  2. prior error messages in the event log
  3. available RAM on the system
  4. configuration settings.
  5. disk space for the memory file and any expanding virtual hard disks
  6. access and permissions to the saved state file

After theissues have been corrected, try to restore the virtual machine again.


The virtual machine is able to start successfully.

Virtual Machine Reset Operation