Windows 10 Insider Preview Fast/Slow/RP Build 17134.5 - April 27 Insider

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  1.    #470

    DavidY said: View Post
    Windows 8.1 and now Windows 10 will automatically encrypt devices which meet certain hardware requirements - I think the hardware specification was called 'InstantGo'. For instance the OS drive must be solid state rather than spinning.

    This disk encryption applies to all versions of W10, even Home. It encrypts the drive in the background by default; you don't have to switch it on (but you can switch it off).

    One of these requirements is that Secure Boot must be switched on, and the gotcha is that if you switch off Secure Boot, you won't be able to read the drive any more. (That was my experience in W8.1 at least, and I assume it's still true.)

    So be careful with switching off Secure Boot...
    Drives are not encrypted by default.

    This may apply to bitlocker if enabled (I cannot say). You really need to be more specific about when automatic encryption applies.
      My ComputerSystem Spec


  2. Posts : 1,505
    Windows 10 Pro (32-bit) 16299.15
       #471

    cereberus said: View Post
    Drives are not encrypted by default.
    You really need to be more specific about when automatic encryption applies.
    It's not the same as Bitlocker.
    Here's the Microsoft link:
    https://docs.microsoft.com/en-us/win...yption-for-oem
    With the right hardware configurations, Windows 10 automatically encrypts a device, helping to keep customer data safe.
    My experience with Windows 8.1 (can't remember which W10 versions I tested it on) was that on my cheap tablet with W8.1 Core, switching on Secure Boot and logging in with an (admin-level) MS Account was enough to start it encrypting.
      My ComputerSystem Spec

  3. slicendice's Avatar
    Posts : 4,120
    Windows 10 Pro x64 v1903 Build 18362.53 (Branch: Release Preview)
       #472

    DavidY said: View Post
    It's not the same as Bitlocker.
    Here's the Microsoft link:
    https://docs.microsoft.com/en-us/win...yption-for-oem

    My experience with Windows 8.1 (can't remember which W10 versions I tested it on) was that on my cheap tablet with W8.1 Core, switching on Secure Boot and logging in with an (admin-level) MS Account was enough to start it encrypting.
    Do you have an OPAL enabled device? That one would encrypt everything at hardware level if enabled. But as far as I know Windows will not encrypt anything until you tell it to do so.
      My ComputersSystem Spec

  4. Bree's Avatar
    Posts : 10,829
    10 Home x64 (1809) (10 Pro on 2nd pc)
       #473

    DavidY said: View Post
    It's not the same as Bitlocker.
    Here's the Microsoft link:
    https://docs.microsoft.com/en-us/win...yption-for-oem
    slicendice said: View Post
    Do you have an OPAL enabled device? That one would encrypt everything at hardware level if enabled. But as far as I know Windows will not encrypt anything until you tell it to do so.
    Interesting.
    From DavidY's link...
    Windows 10 device encryption is enabled only after users sign in with a Microsoft Account or an Azure Active Directory account. Device encryption is not enabled with local accounts.
    ...and later on:
    Starting with Windows 10, version 1703, use the following steps to determine if the system supports automatic device encryption.

    1. Click Start, and type System information
    2. Right-click System Information app and click Open as Administrator. Allow the app to make changes to your device by clicking Yes. Some devices might require elevated permissions to view the encryption settings.
    3. In System Summary, see Device Encryption Support. The value will state if the device is encrypted, or if not, reasons why it is disabled.
    My system (legacy bios, so it shouldn't) says...
    Device Encryption Support
    Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and the device is not InstantGo, Un-allowed DMA-capable bus/device(s) detected, Disabled by policy, TPM is not usable
    What does yours say?
      My ComputersSystem Spec

  5. slicendice's Avatar
    Posts : 4,120
    Windows 10 Pro x64 v1903 Build 18362.53 (Branch: Release Preview)
       #474

    OK!

    Now I see what this encryption fuzz is all about.

    Read this: Wikipedia - InstantGo

    Based on this information, automatic encryption is only available on devices that meet all the requirements mentioned in the article.

    My laptop has all of those requirements, except it also supports booting using legacy boot (BIOS/MBR), so automatic encryption is disabled because of this limitation. Requires a UEFI ONLY capable device.

    Here's what my computer outputs:
    Device Encryption Support: Reasons for failed automatic device encryption: Hardware Security Test Interface failed and device is not InstantGo, Disabled by policy


    Here is more talk about this: TenForums - Reasons for failed automatic device encryption...Post #11
      My ComputersSystem Spec

  6. f14tomcat's Avatar
    Posts : 40,514
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       #475

    Bree said: View Post
    Interesting.
    From DavidY's link...

    ...and later on:


    My system (legacy bios, so it shouldn't) says...


    What does yours say?
    Device Encryption Support Reasons for failed automatic device encryption: PCR7 binding is not supported, Un-allowed DMA capable bus/device(s) detected
      My ComputersSystem Spec

  7.    #476

    slicendice said: View Post
    OK!

    Now I see what this encryption fuzz is all about.

    Read this: Wikipedia - InstantGo

    Based on this information, automatic encryption is only available on devices that meet all the requirements mentioned in the article.

    My laptop has all of those requirements, except it also supports booting using legacy boot (BIOS/MBR), so automatic encryption is disabled because of this limitation. Requires a UEFI ONLY capable device.

    Here's what my computer outputs:
    Device Encryption Support: Reasons for failed automatic device encryption: Hardware Security Test Interface failed and device is not InstantGo, Disabled by policy


    Here is more talk about this: TenForums - Reasons for failed automatic device encryption...Post #11
    About the only devices that support uefi only booting are Surface Pros. My tablet does not fit all the requirements.

    Does anybody understand what this encryption actually does?
      My ComputerSystem Spec

  8. slicendice's Avatar
    Posts : 4,120
    Windows 10 Pro x64 v1903 Build 18362.53 (Branch: Release Preview)
       #477

    cereberus said: View Post
    About the only devices that support uefi only booting are Surface Pros. My tablet does not fit all the requirements.

    Does anybody understand what this encryption actually does?
    As far as I understand it, it automatically encrypts everything on devices that are capable of going into standby mode, while still being connected online. Requires to be a certified device (the requirements seems to be very strict), and most are not.
      My ComputersSystem Spec

  9.    #478

    I have Hibernation issues with this build and 17133, like once every 3-4 times it won't shut down the PC.
      My ComputerSystem Spec

  10.    #479

    Running 17134.1 has brought a good issue I have never seen in any Windows. After running diskcleanup to remove the old Windows folder and stuff, I had 82.8GB free. Most I have had free in Windows 10. I thought this is great. Now let's move along to last night, 84.0GB free... wow thats great. I get on the PC this morning and have 84.7 free

    I have seen my drive shrink before, but getting more space is a first. I normally had around 77GB free with the FCU.
      My ComputerSystem Spec


 
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