Firmware protection off and button grayed out

Anonymous
2024-01-07T04:08:09+00:00

I enabled firmware protection via Group Policy editor, but when I went to windows security the firmware protection button was off and grayed out with a message "This setting is managed by your administrator."

I want the fix and turn on Firmware protection

Windows for home | Windows 11 | Security and privacy

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  1. DaveM121 933.9K Reputation points Independent Advisor
    2024-01-08T15:26:09+00:00

    No there is no other option, you need to reset Windows to put it back inti its initial state without all the changes you have already made.

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  2. Anonymous
    2024-02-10T23:48:13+00:00

    I can fully confirm the problem. It's a bug. Somehow Firmware protection also disappears when you change the values from Enabled 1 and Managed 1 to anything else. I also used the Device Guard and Credential Guard hardware readiness tool. I have the latest pricey system on the market. I also enabled IOMMU Hyper-V etc. so the full security potencial but nothing works. Is there somehow a way to activate "Turn On Virtualization Based Security + Secure Launch" without triggering the Group Policy? Manually registering in the Registry doesn't work either.

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  3. Anonymous
    2024-02-11T13:52:55+00:00

    The issues I found

    The Event Viewer says: System Guard enabled but not supported. Reason: The required platform module was not found.
    But I have the latest fTPM 2.0 module on my AMD Ryzen 5950X

    Also in services you can't run System Guard Runtime Monitor Broker.

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  4. Anonymous
    2024-02-11T15:24:13+00:00

    Yes its a bug after making managed dword to 0 or deleting it hides firmware protection from windows security

    Thanks for your reply!

    Pls can you tell where did you find system guard event in event viewer please tell

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  5. Anonymous
    2024-02-11T15:54:23+00:00

    I found the issue. Only dTPM 2.0 is supported.
    The determined way: Your MB has an integrated dTPM 2.0 that you can use.
    For AMD Users: You need to buy a TPM SPI 2.0 Module, plug it in the SPI_TPM Port and switch it in the BIOS to SPI TPM.
    For Intel Users: You can luckily enable Intel PTT 2.0 and Intel TXT and it should work.

    For branded PC/Laptop: Look if it has a Microsoft Pluton processor.

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