What is included in Microsoft SQL 2022 User CAL?

Access right – Legal permission for one person to use SQL Server.
Per-user model – Covers that user across any number of devices.
Server pairing – Works with a Server + CAL Standard licence.
Downgrade rights – Valid for SQL Server 2022, 2019 and 2017.
No install key – It is a licence right, nothing to install.
Core Capacity – Server + CAL applies to Standard edition only.

What are the main benefits of Microsoft SQL 2022 User CAL?

A SQL Server 2022 User CAL is a Client Access Licence that legally authorises one named person to connect to a SQL Server instance licensed under the Server + CAL model. It is paired with a SQL Server Standard server licence and is not a product key or installable component.

Device freedom – One user connects from laptop, desktop and mobile.
Predictable cost – Cheaper when users are fewer than devices.
Audit ready – Clean per-person count for compliance records.
Backward access – Also covers older 2019 and 2017 servers.
Staff scaling – Add one CAL per new employee who connects.
No core counting – Avoids per-core math for small user groups.

SQL Server 2017 - 2025 Buying Guide: License Models and CALs
How the Server + CAL and Per-Core models work, and how to pick the right SQL product and CAL count for your environment.

What does a SQL Server 2022 User CAL actually do?

A SQL Server 2022 User CAL grants one named person the legal right to access a SQL Server instance licensed under the Server + CAL model. It is not a product key and nothing is installed on the server, since a CAL is a licensing entitlement rather than software. Every user who connects to the database directly or through an application needs their own CAL when the server uses Server + CAL licensing. You assign the CAL to the individual, so that person stays covered whether they connect from a workstation, a laptop, or a remote session.

What is the difference between a User CAL and a Device CAL?

A User CAL is tied to a person and lets that person reach SQL Server from any number of devices, while a Device CAL is tied to a single device that any number of users can share. Choose User CALs when employees use several devices each, such as a desktop plus a laptop plus a phone. Choose Device CALs when many people share a small pool of machines, such as shift workers on shared terminals. You can mix both types in one environment, but each connecting user or device must be covered by exactly one matching CAL.

SQL Server 2017 to 2025 FAQ: Standard, Enterprise, and CALs
Common buyer questions answered on edition differences, when CALs are needed, and how Standard compares to Enterprise.

Does a User CAL replace the SQL Server licence?

No. A User CAL only grants access rights and must be paired with a separate SQL Server server licence; on its own it does not let you install or run SQL Server. Under the Server + CAL model you buy one server licence per server plus one CAL for every user that connects. This model is available for SQL Server Standard edition only, since Enterprise edition is sold exclusively under per-core licensing. If you license SQL Server per core instead, you do not need any CALs at all.

Can a 2022 User CAL access older SQL Server versions?

Yes. A SQL Server 2022 User CAL covers access to SQL Server 2022 and earlier versions such as 2019 and 2017, because CALs are backward compatible but not forward compatible. An older 2017 CAL cannot legally be used to reach a 2022 server, so the CAL version must match or exceed the server version. This matters when you run mixed environments or plan an upgrade, because you can buy current 2022 CALs now and still stay compliant on older instances. Keep documentation of your total CAL count, as a CAL is a paper right rather than something tracked or activated on the server.

When should you choose User CALs over per-core licensing?

User CALs are usually the cheaper choice for internal line-of-business applications with a known, limited number of named users, while per-core licensing fits internet-facing systems or workloads where you cannot reliably count users. The Server + CAL model is restricted to SQL Server Standard, so if you need Enterprise features you are committed to per-core regardless of user count. As a practical check, compare the total cost of one server licence plus your expected CAL count against the per-core cost for your server's cores. If your user population is small and stable, the Server + CAL route with User CALs typically wins.

SQL Server Core Licensing, Minimum Requirements and Avoiding Wrong Purchases
When per-core licensing applies, the core minimums involved, and how to avoid buying the wrong SQL product.

What should you check before buying SQL Server 2022 User CALs?

Before buying, confirm that your SQL Server is licensed under the Server + CAL model and runs Standard edition, since User CALs do not apply to per-core or Enterprise deployments. Count every distinct person who connects, including those reaching the database indirectly through an application, because multiplexing through middleware does not remove the CAL requirement. Make sure you also hold a valid SQL Server server licence, as the CAL alone does not permit installation. Finally, verify the CAL version is 2022 or higher if any server in scope is SQL Server 2022, because older CALs will not cover it.

SQL Server 2022, 2019 and 2017: Features and Differences
A version comparison covering what changed across the 2017, 2019 and 2022 releases to help confirm which server your CALs should match.