René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"ACS 4.20: Windows instances all have the same fingerprints when using UEFI.","articleBody":"### problem\n\nAs we create Windows Templates:\n\n```\nSysprep /generalize /oobe /shutdown\n```\n\nOR\n\n\u003cimg width=\"725\" height=\"563\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/e39ef71f-f1d3-488b-ad4d-31545c79556c\" /\u003e\n\nVariable files are being created, indicating it does sets individual fingerprints (I guess).\n\n\u003cimg width=\"1380\" height=\"913\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/38cb5d79-81d7-446f-b661-f9c6b015c8b8\" /\u003e\n\nFor some reason, when deploying form the template it always comes back with the same fingerprints like if they were all cloned from the original.\n\nI narrowed down to the UEFI because as we performed the exact same procedure with Legacy BIOS, the issue is gone.\n\nAny clue?\n\n### versions\n\nACS 4.20.1.0\nUbuntu 24.04 LTS\nNFS as Primary and Secondary storages.\n\n### The steps to reproduce the bug\n\n1.\n2.\n3.\n...\n\n\n### What to do about it?\n\nAs a work around we do not use UEFI unless it is mandatory and always deploy new instances from ISO, not from template.","author":{"url":"https://github.com/daviftorres","@type":"Person","name":"daviftorres"},"datePublished":"2025-10-20T15:13:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/11874/cloudstack/issues/11874"}