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SQL Server Licensing

SQL Server 2022 licensing. Decided before you install.

A buyer side guide to SQL Server 2022 licensing in 2026. Per core versus Server plus CAL, edition choice, Software Assurance rights, Azure Arc billing, and where the cost really sits.

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SQL Server 2022 is licensed either per core or by Server plus CAL, and the choice between those two models, plus the edition you pick and whether you carry Software Assurance, drives the real cost far more than the headline per core price.

Key takeaways

  • SQL Server 2022 uses two models: per core and Server plus CAL.
  • Per core licensing has a four core minimum per instance and is sold in two core packs.
  • Enterprise Edition is per core only. Standard Edition supports both models.
  • Software Assurance unlocks License Mobility, failover rights, and Azure benefits.
  • Passive failover replicas need Software Assurance to be free of charge.
  • The 2022 release added pay as you go via Azure Arc, billed hourly per core.

This pillar is for buyers planning a SQL Server 2022 estate or renewal. Read it with the SQL Server licensing pillar, the Windows and SQL Server practical guide, and the Microsoft Knowledge Hub.

How is SQL Server 2022 licensed?

There are two models. Per core suits server workloads with many or unknown users. Server plus CAL suits smaller, countable user populations.

Microsoft documents both on its SQL Server 2022 pricing page. The model you choose is locked per license, so the decision matters at purchase time.

How does per core licensing work?

Per core licenses every physical core on the server, with a minimum of four cores per instance. Licenses are sold in two core packs.

  • Minimum: four cores per physical processor or virtual machine.
  • Packs: core licenses are bought in two core increments.
  • Virtual: license the virtual cores assigned, subject to the four core floor.

When does Server plus CAL make sense?

Server plus CAL licenses the server once and then a Client Access License for each user or device. It wins when the user count is small and stable.

  • Fit: a known, limited population of users or devices.
  • Limit: Standard Edition only, since Enterprise is per core.
  • Risk: external or unknown users make CAL counting impractical.

Which SQL Server 2022 edition should you license?

Edition choice is the biggest single cost lever. Enterprise costs several times Standard per core, so deploying Enterprise where Standard would serve is the classic over spend.

SQL Server 2022 editions and models, illustrative list per core per year

Edition Models Indicative list per core Best fit
StandardPer core or Server plus CAL3,586 dollarsGeneral workloads
EnterprisePer core only13,748 dollarsMission critical, large scale
WebPer core, hostersLow, SPLA onlyPublic web workloads
ExpressFree0 dollarsSmall, capped databases

What does Software Assurance unlock?

Software Assurance adds rights that change the economics. It enables License Mobility, free passive failover, and the Azure Hybrid Benefit.

How does pay as you go via Azure Arc work?

SQL Server 2022 can be billed hourly per core through Azure Arc, turning a capital purchase into an operating cost. Microsoft describes the model in its SQL Server enabled by Azure Arc documentation.

Where the common advice on SQL Server licensing is wrong

The standard advice is to standardize on Enterprise Edition for simplicity and headroom. We disagree. In roughly 1 in 3 estates we reviewed, Enterprise was deployed where Standard would have met every requirement.

The buyer side move is to license each workload to its real need and reserve Enterprise for the features that genuinely require it, such as advanced availability groups and unlimited virtualization. Simplicity is not worth several times the per core price.

Database administrator working at a workstation with code and charts
On a virtual host the licensable unit is the assigned virtual cores, unless you license the whole host for unlimited virtualization with Enterprise and Software Assurance.
4
Core minimum per instance
~3.8x
Enterprise vs Standard per core
20-40%
Saved by fixing replica SA

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

SQL Server cost is decided before you install anything. Pick the edition for the workload, not the org, and the per core price stops being the problem.

What to do next

  1. Inventory every SQL Server instance, edition, version, and license model.
  2. Flag any Enterprise instance that no longer needs Enterprise features.
  3. Confirm every passive failover replica carries Software Assurance.
  4. On virtual hosts, compare per virtual core licensing to full host licensing.
  5. Decide where Server plus CAL beats per core for small user populations.
  6. Model the Azure Hybrid Benefit for any workloads moving to Azure.
  7. Benchmark your effective per core cost before the next renewal.

Frequently asked questions

How is SQL Server 2022 licensed?

SQL Server 2022 is licensed either per core or by Server plus CAL. Per core suits workloads with many or unknown users, while Server plus CAL suits small, countable user populations. Enterprise Edition is per core only, and Standard supports both models.

What is the core minimum for SQL Server 2022?

Per core licensing requires a minimum of four cores per physical processor or virtual machine, and licenses are sold in two core packs. Even a two core virtual machine must be licensed for the four core minimum.

What is the difference between Standard and Enterprise Edition?

Enterprise Edition costs roughly three to four times Standard per core and adds advanced availability groups, unlimited virtualization with Software Assurance, and higher scalability. Standard meets the needs of most general workloads at a far lower per core price.

Do I need Software Assurance for passive failover?

Yes. A passive failover replica is only free of license cost when the primary carries active Software Assurance. Without Software Assurance, the passive replica must be fully licensed, which often adds twenty to forty percent to the bill.

What does Software Assurance add to SQL Server?

Software Assurance enables License Mobility across servers, free passive failover rights, version upgrade rights, and the Azure Hybrid Benefit. For estates that move workloads or use Azure, those rights frequently justify the Software Assurance cost.

Can I pay for SQL Server 2022 hourly?

Yes. SQL Server 2022 supports pay as you go billing per core through Azure Arc, which turns the license into an hourly operating cost. This suits variable or short lived workloads better than a perpetual per core purchase.

How is SQL Server licensed on virtual machines?

On a virtual machine you license the assigned virtual cores, subject to the four core minimum. Alternatively, licensing all physical cores on the host with Enterprise Edition and Software Assurance grants unlimited virtualization on that host.

Is SQL Server Express really free?

Yes, SQL Server Express is free but capped on database size, memory, and CPU use. It suits small applications and development, but production workloads usually outgrow its limits and need Standard or Enterprise Edition.

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4
Core minimum per instance
~3.8x
Enterprise vs Standard
2
Licensing models
$3,586
Standard per core list
100%
Buyer Side

SQL Server cost is decided before you install anything. Pick the edition for the workload, not the org, license replicas correctly, and the per core price stops being the problem.

Morten Andersen
Co Founder. Ex IBM, ex Oracle.
Deep Library

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