Windows Server Licensing FAQ

Q: What is the difference between Windows Server Datacenter and Standard?

Datacenter edition provides unlimited Windows Server VMs on the licensed host, ideal for highly virtualized environments. Standard edition allows 2 VMs per license. Both require Client Access Licenses (CALs) for user/device access.

Q: How does Windows Server per-core licensing work?

Windows Server requires licensing all physical cores with a minimum of 16 core licenses per server and 8 core licenses per processor. Core licenses are sold in 2-packs.

Q: What is Azure Hybrid Benefit for Windows Server?

Azure Hybrid Benefit allows you to use existing Windows Server licenses with Software Assurance on Azure VMs, saving up to 40% on compute costs.

Q: Do RDS CALs work with newer Windows Server versions?

No. RDS CALs can only access the same or older Windows Server versions. A WS2022 RDS CAL cannot access WS2025. Always purchase CALs matching your newest server version.

Get clear answers to common Windows Server licensing questions. Understand editions, virtualization rights, CALs, cloud migration, and more.

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