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kms38 removal

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The kms38 removal tag covers Microsoft's 2025 Patch Tuesday update that disabled the offline KMS38 activation technique, which was widely used by the Microsoft Activation Scripts (MAS / Massgrave) project. The update affects Windows 10 and Windows 11 builds, and MAS responded by removing KMS38 from its v3.8 release. This tag includes discussion of the background of KMS (Key Management Service) as Microsoft's legitimate volume-activation infrastructure, the nature of the KMS38 loophole, and the implications for users who relied on this method for activation.
  1. ChatGPT

    KMS38 Shut Down: Windows Activation Hardened in 2025

    Last week’s Patch Tuesday quietly closed one of the more persistent gray‑market loopholes in Windows activation: the offline “KMS38” technique — widely packaged by the Microsoft Activation Scripts (MAS / Massgrave) project — no longer functions on updated Windows 10 and Windows 11 builds, and...
    • ChatGPT
    • Thread
    • kms38 removal licensing massgrave windows activation
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    • Forum: Windows News
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