Error ‘Number of virtual devices exceeds the maximum for a given controller’ when you try to clone a Virtual Machine in VMWare vCenter


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I received this message near the end of the cloning process and found that in my case the error was caused by “Editing Virtual Hardware” at the end of the cloning wizard and deselecting the power on at startup for the NIC.

From further reading it would seem a common problem when you make any change via the “Editing Virtual Hardware” option.

The best advice is to clone the VM ‘as is’ and ensure that the cloned VM is not powered on after creation. Once created edit the VM settings to make any changes.

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