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Knowledge Base

vMotion of a virtual machine fails with error: Insufficient capacity on each physical CPU (1031306)

Last Updated: 1/6/2022Categories: TroubleshootingTotal Views: 25405Language:
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Symptoms

Unable to vMotion a virtual machine from an ESX/ESXi 4.x host to another

Performing a vMotion on a virtual machine from an ESX/ESXi 4.x host to another fails

You see the error:

Insufficient capacity on each physical CPU

This issue occurs after the validation stage of vMotion completes

Resolution

Note: Please refer KB "ENTER MAINTENANCE DRYRUN CHECK" Precheck fails with "Error: Error during enter MAINTENANCE check due to InsufficientResourcesFault" for VMware Cloud Foundation (VCF) environments.

This issue occurs when the CPU resource reservations of the virtual machine exceed the available capacity on the target host.

To resolve this issue:

In the vSphere Client, right-click the virtual machine and click Edit Settings.

Select "Virtual Machine" tab, expand CPU section.

Set the CPU reservations to a value lesser than the capacity of the ESX/ESXi host.

Note: If you do not require CPU reservations, set it to zero and let ESX/ESXi to manage the resource allocation. If you require CPU reservations, it is best to set up resource pools to manage the resource allocation.

For more information on reservations and limits, See the VMware vSphere Resource Management Guide.

Detectable by VMware SkylineTM

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Additional Resources

KB
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End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

KB
•
「圧縮のみ」が有効なディスクが 100% フルの状態になる (81071)

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