VMware vSphere 5 a complete new license model is introduces.
In VMware vSphere 4 the licensing model was per physical processor based on the number of cores per CPU and the physical memory.
The VMware vSphere 5 license model is based per physical processor and the allocated memory (vRAM) across the entire vSphere environment for a particular vSphere 5 edition (pool).
vSphere 5 licensing facts:
- vRAM = virtual memory configured to a Virtual Machine
- Pooled vRAM = sum of all vRAM entitlements across all vSphere 5 licenses from the same edition in one or more vCenter(s) servers in linked mode
- Only powered-on VMs a counted in the total vRAM.
- vRAM pool must be licensed with the same vSphere edition.
- You can multiple vRAM pools in one or more vCenter servers for example a vSphere 5 standard and vSphere 5 Enterprise license pool
- The vSphere 4 Advanced edition is removed and customers get a free upgrade to Enterprise
vSphere editions and vRAM entitlement
The following vSphere 5 editions are available:
| vSphere 5 edition | vRAM (GB) entitlement per Physical CPU | Max vCPU/VM |
| vSphere 5 Hypervisor (free version) | 8 | 8 |
| vSphere 5 Essentials | 24 (max. 6 processor license, total 144GB) | 8 |
| vSphere 5 Essentials plus | 24 (max. 6 processor license, total 144 GB) | 8 |
| vSphere 5 Standard | 24 | 8 |
| vSphere 5 Enterprise | 32 | 8 |
| vSphere 5 Enterprise plus | 48 | 32 |
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