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Black and white photograph of a processor in a motherboard
Windows OS Platform Blog
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CPU oversubscription and new CPU jitter counters in Windows Server 2025

MarkKilimov's avatar
MarkKilimov
Icon for Microsoft rankMicrosoft
Mar 13, 2025

In the ever-evolving landscape of information technology, managing resources efficiently is paramount. With the advent of Windows Server 2025, an innovative approach to handling CPU oversubscription and jitter has been introduced, promising to enhance performance and reliability.

What is CPU oversubscription? CPU oversubscription occurs when more virtual processors (VPs) are allocated to virtual machines (VMs) than there are logical processors (LPs) available on the host ma...
Performance Monitor shows a set of Hyper-V and other counters to choose from
Updated Mar 24, 2025
Version 5.0
Karl-WE's avatar
Karl-WE
MVP
Mar 17, 2025

Thank you for adding these MarkKilimov and this insightful blogpost. Can we assume that the same counters are available in Windows Admin Center > Performance Monitoring ?

cc Davanna-White 

  • Ben Thomas's avatar
    Ben Thomas
    Copper Contributor
    Mar 17, 2025

    Karl-WEyes, Windows Admin Center just pulls the list of counters on the remote machine, it doesn't have it's own list. So as long as the server WAC is managing is ws2025 hyper-v then you'll see those counters in there 

    • Karl-WE's avatar
      Karl-WE
      MVP
      Mar 18, 2025

      Thank you Ben Thomas. Agreed this is usually the case. However sometimes WAC has issues to fetch certain counters. They are not visible while they appear in the legacy perfmon. RDMA counters are the one that are missing quite often.