Upgrade vmware esxi 5 to 6 license

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When you assign a vSphere license to a host, the amount of capacity consumed is determined by the number of physical CPUs on the host and the number of physical cores in each physical CPU. If а CPU has more than 32 cores, you need additional CPU licenses.

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Starting with vSphere 7.0, one CPU license covers one CPU with up to 32 cores. If you attempt to assign a license that has insufficient capacity or does not support the features that the host uses, the license assignment fails. For example, if the host is associated with a vSphere Distributed Switch, the license that you assign must support the vSphere Distributed Switch feature.

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To license an ESXi host, you must assign to it a vSphere license that meets the following prerequisites:

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There are three main licensing models for vSphere:

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