Event ID - 12531

Event Id12531
SourceMicrosoft-Windows-Hyper-V-Worker
DescriptionDevice %3 could not allocate guest physical address space.
Event InformationAccording to Microsoft :
Cause :
This event is logged when device could not allocate guest physical address space in virtual machine.
Resolution :
Check virtual machine
Check the environment the virtual machine is trying to start in.
a)The virtual machine RAM should be less than the physical memory available
b)The number of virtual processors should not exceed number of logical processors on the system
c)The eventlog (for any prior failures that lead to this failure)
Try starting the virtual machine again.
Verify :
The virtual machine is able to power on successfully.
Reference LinksEvent ID 12531 from Source Microsoft-Windows-Hyper-V-Worker

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