Event ID 12530 — Motherboard

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This Aspect refers to events pertaining to the motherboard of the virtual machine.

Event Details

Product: Windows Operating System
ID: 12530
Source: Microsoft-Windows-Hyper-V-Worker
Version: 6.0
Symbolic Name: MSVMB_GPA_RANGE
Message: '%1' device %3 could not allocate guest physical address space. (Virtual machine %2)


Check virtual machine

Check the environment the virtual machine is trying to start in:

  • the virtual machine RAM should be less than the physical memory available
  • the number of virtual processors should not exceed number of logical processors on the system
  • the eventlog (for any prior failures that lead to this failure)

Try starting the virtual machine again.


The virtual machine is able to power on successfully.