u/Onizzaku

▲ 10 r/HyperV

Hyper-V licensing for 32 cores

Hello!

I'm going to purchase 3 physical servers (2x16 core processors) and combine them into 1 cluster. The choice fell on Hyper-V, because in any case, I plan to purchase OEM licenses for windows server standart 2022/2025 16-core.

Counting the number of licenses, I got confused. According to the information that I found, 1 license for 16 cores covers 2VM and + the possibility of using a hypervisor on a physical server.
Given my configuration, I planned to buy 6 standart licenses to cover all 96 cores. Then the difficulties began - what number of windows VMs will be available to me? Google AI reports that a 16-core license entitles you to 2 VMs, and if you license a 32-core server using 2 licenses, 4 VMs will become available. In the meantime, I entered the same data into Copilot, and it informed me that no matter how many licenses are activated on the physical server, eventually I will still have 2 VMs available.

I plan to run 7 Win VM on my cluster, and also leave the option to migrate servers in case of problems. But according to Copilot, in this scenario, I can only use 4 Windows VMs and have the fault tolerance of 1 server. According to Google search AI, 6 licenses entitle me to 12 VM Windows and my initial plan is fully covered.

Help me find the right answer, the budget is limited, and I have no right to make mistakes.

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u/Onizzaku — 5 days ago