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Do Vm host in ESXi 5 have to have the same number of cpu's

Do the vm host in ESXi 5 have to have the same number of cpu's in order to be able to migrate vm's between the 2 host?
I know the have to be the same speed and size just wondering about the number of cpu's
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vmich
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vmich
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
No, they do not need to be the same speed either. If you have mismatched processors you enable EVC in your vCenter Cluster.

We have many different types of server, different specifications of processor, speeds, types, generations in our 50 Server ESXi/ESX Cluster.

We also have Single CPU, Dual CPU and Quads in the same cluster.
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vmichAuthor Commented:
This is what we get when we try to migrate
screen-shot.png
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
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vmichAuthor Commented:
Had to make another cluster, enable EVC, and then move the host to the new cluster...
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