Multi socket servers in a data center rack under core based licensing
VMware

VMware per core licensing. The real math.

The meter counts physical cores with a 16 core floor per socket. Host shape, density, and a defensible count decide the invoice.

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VMware subscriptions bill per physical core with a 16 core minimum per CPU, so the bill is set by how you count, configure, and consolidate hosts rather than by what you deploy.

Key takeaways

  • Physical cores, not vCPUs: the meter counts cores in the socket, regardless of virtualization density.
  • 16 core minimum per CPU: an 8 core processor is billed as 16, so low core hosts overpay structurally.
  • Every licensed host counts: management, DR, and idle capacity hosts bill the same as production.
  • Density is free: more VMs per host costs nothing extra, making consolidation the main lever.
  • Hardware shape matters: fewer sockets with more cores per socket beats many small CPUs under the minimum.
  • The count is auditable: entitlement versus deployed core gaps surface at renewal, so count before Broadcom does.

How does VMware per core licensing work under Broadcom?

VMware licensing bills per physical processor core across every host in the licensed estate, sold as a subscription to VMware Cloud Foundation or vSphere Foundation. Perpetual licenses and standalone SKUs are gone; the core meter is the whole model, as Broadcom's VMware portfolio page makes explicit.

The meter ignores utilization. A host at 20 percent load bills the same as one at 90 percent, which is why density and host shape, not deployment choices, decide the invoice.

  • Unit: one subscription per physical core, per host, per term.
  • Scope: all hosts running the licensed software, including management and DR.
  • Floor: a minimum of 16 cores billed per CPU socket.

What happened to per socket licensing?

Per socket licensing ended with the subscription transition. Estates designed for socket economics, many small two socket hosts, now carry the worst shape for core economics.

Why does the 16 core minimum punish small hosts?

The 16 core minimum bills the gap between your actual cores and 16 per CPU, so an estate of 8 and 12 core processors pays for cores that do not exist. The penalty is structural and compounds across every socket in the estate.

The 16 core minimum in practice

CPU configurationActual coresBilled coresPenalty
2x 8 core1632100 percent
2x 12 core243233 percent
2x 16 core3232None
2x 32 core6464None, best density

Which estates feel it most?

Branch and edge estates with small dual socket hosts feel it worst. A retail or manufacturing footprint of dozens of 8 core hosts can carry a 40 to 100 percent billing penalty against physical reality.

How do you count cores correctly before a renewal?

Count correctly by building the inventory from the hypervisor layer itself, then subtracting hosts that should not be licensed: decommissioned clusters, powered off capacity, and workloads scheduled for migration. The defensible count is almost always lower than the quote's count.

  1. Export host and CPU inventory from vCenter across all clusters.
  2. Map each host: socket count, cores per socket, cluster role.
  3. Apply the 16 core minimum per socket to model the billable number.
  4. Remove decommissioned, lab, and migration scheduled hosts with evidence.
  5. Reconcile against entitlement records in the Broadcom support portal before the quote lands.

What evidence survives challenge?

Decommissioning records, migration project plans with dates, and cluster level utilization exports. An assertion that hosts are going away is not evidence; a dated plan is.

What reduces the core count you pay for?

Three moves reduce billable cores: consolidating workloads onto fewer, denser hosts, refreshing hardware toward 16 plus cores per socket, and shrinking the licensed estate by moving portable workloads to another platform. All three work because the meter is physical, not virtual.

  • Consolidate: raising VM density per host strands old hosts for decommissioning.
  • Refresh smart: two 32 core sockets replace four 16 core sockets at the same capacity and half the minimum exposure.
  • Shrink scope: every workload moved off VMware removes its host cores from the meter at renewal.

How much does consolidation typically save?

Consolidation programs in our 2024 to 2025 benchmarks cut billable cores 20 to 35 percent at constant workload. The savings recur every term, which makes the hardware case self funding.

Where the common advice on VMware core licensing is wrong

The standard advice is to accept the core count in the renewal quote and negotiate the rate per core. We disagree. In roughly 20 of the 30 plus VMware estates Morten Andersen benchmarked in 2024 to 2025, the count itself was 10 to 25 percent too high, and no achievable rate discount matched the value of correcting it. The buyer side move is to rebuild the count from vCenter, evidence the exclusions, and only then discuss rate. Negotiating the rate on an inflated count is paying a discount on cores that do not exist.

Dense server hardware in racks showing multi socket host configurations
Host shape sets the bill: two dense sockets carry the same workload as four small ones with half the exposure to the 16 core minimum.

What the engagement data shows

Three cuts of our advisory engagement file frame the size of the opportunity.

10 to 25%
Count inflation in first pass quotes
20 to 35%
Billable cores cut by consolidation
100%
Minimum penalty on 8 core CPUs

Source: Redress Compliance advisory engagement file, 2024 to 2025.

What to do next

Five moves turn this analysis into a lower invoice on the next renewal.

A sequence you can run this quarter

  1. Export the full host and CPU inventory from vCenter.
  2. Model billable cores with the 16 core per socket minimum applied.
  3. Remove dead, lab, and migration scheduled hosts with dated evidence.
  4. Score the estate's minimum penalty and flag low core hosts for refresh.
  5. Run the consolidation math: target density, hosts stranded, cores saved.
  6. Reconcile entitlements in the Broadcom portal before the renewal quote.
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Broadcom VMware Renewal Survival 2026

The 2026 buyer side reference on Broadcom VMware renewals. Read it free.

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Frequently asked questions

How are VMware licenses counted under Broadcom?

VMware subscriptions bill per physical core across every licensed host, with a 16 core minimum per CPU socket. Virtual CPUs and VM counts are irrelevant to the meter; only the physical inventory matters.

What is the 16 core minimum per CPU?

Every processor socket bills at least 16 cores even if the chip has fewer. A dual 8 core host is billed as 32 cores, a 100 percent penalty, which is why small host estates structurally overpay.

Do DR and management hosts need licenses?

Yes. Any host running the licensed software counts, including management clusters, DR capacity, and idle hosts. Unlicensed cold standby is possible only when the software is genuinely not installed and running.

Does VM density change the cost?

No, and that is the lever. More VMs per host cost nothing extra, so consolidation onto fewer, denser hosts directly strands hosts for decommissioning and cuts billable cores 20 to 35 percent in typical programs.

Can the core count in a renewal quote be challenged?

Yes, and it should be. First pass counts ran 10 to 25 percent above the defensible number in our benchmarks. Rebuild the count from vCenter, document exclusions with dated evidence, and table your number first.

What hardware shape is cheapest under this model?

Fewer sockets with 16 or more cores each. Refreshing four small two socket hosts into two dense ones holds capacity constant while halving exposure to the per socket minimum.

Free Download

The full Broadcom VMware Negotiation Playbook framework from the Broadcom VMware Advisory.

The core counting workbook, minimum penalty model, and consolidation math from 25 plus estates.

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10 to 25%
Count inflation in first pass quotes
20 to 35%
Billable cores cut by consolidation
100%
Minimum penalty on 8 core CPUs

Negotiating the rate on an inflated count is paying a discount on cores that do not exist. Fix the count first.

Morten Andersen
Co Founder. Ex IBM, ex Oracle.
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