Why am I being asked for a Passkey? How do I turn off passkeys?

Anonymous
2024-07-22T21:51:35+00:00

I was opted into this without my knowledge, or without understanding how it works.

I have a solid understanding of Windows, and the security around it. But I do not understand why I suddenly am being forced to use, and constantly asked about passkeys, when I have not opted into them or set them up.

If I don't understand why I am being forced to use these, or why they are required, none of the less savvy users will. This will likely result in Microsoft spending more on tech support due to people being locked out of their devices.

Scenario: I have deleted the passkeys from my settings, and now my Edge logins have a discrepancy, because they are demanding passkeys that no longer exist.

For some reason, Windows is not allowing me to delete my Microsoft Passkey, because now that is required to sign in to my computer. I already have a PIN, a password, a fingerprint, and my face to sign in to my computer.

Is the only option logging out of my Microsoft Account and making it a local account to opt out of passkeys?

Passkeys need to be explained better if they are going to be a requirement, it needs to be a more gentle introduction.

Windows for home | Windows 11 | Security and privacy

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Rob Koch 26,160 Reputation points Volunteer Moderator
2024-07-23T03:59:03+00:00

You've been using a passkey to login to Windows since you enabled Windows Hello to perform Face, Fingerprint or PIN login methods, since they' re an integral part of that system. They simply weren't as visible in the past, since the Passkey Management and using them for 3rd-party apps or websites weren't yet supported.

As usual, the problem is there are many documents available covering these and some confusing differences between the Azure Business-based systems using something called Entra for authentication and the consumer version of these related to your Microsoft Personal account. I'll include documents from both here in case you are more technically interested but tell you which I'm providing.

The first is an overview for consumer accounts and should help you understand how crucial they are to Microsoft's future authentication systems intended to remove the need for passwords, so trying to escae them is utterly pointless.

New passkey support for Microsoft consumer accounts | Microsoft Security Blog

This next one has more technical detail and in the first sections describes in general how they work, while a later section is specific to the Microsoft implementation and shows how these functions relate to Windows Hello, the Edge browser and other similar portions of Windows. I wouldn't typically provide this to the average consumer, but it really makes their operation on Windows clear for those wanting to understand them more deeply.

WebAuthn APIs - Windows Security | Microsoft Learn

I think I'll stop there for the moment to make sure you want more iformation, since upon quick review, these two documents cover the basics, while there are many others that provide the How-to explanations for individual portions of passkey operation.

Rob

< EDIT > BTW, here's a FAQ document with some common questions about passkeys, the last of which is titled; How can I provide feedback about my experience with passkeys?

Passkeys frequently asked questions (FAQ) - Microsoft Support

If you click the question to view the answer, you'll find a link to the Windows Feedback where you can submit your comments directly to Microsoft. Anything you post in this forum will only be seen by those who browse here, while virtually no Microsoft employees ever do and so your posts here are only really seen by us volunteer or a few contract helpers.

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quietman7 MVP Alumni 19,830 Reputation points Volunteer Moderator
2025-06-22T21:08:03+00:00

I appreciate your response. If a password and the multi-authentication code is not sufficient, what does a 'passkey' do?

Why doesn't Microsoft provide some easy-to-understand explanation of what a 'passkey' is and why it is different for every site?

I provided that information in a previous reply (page 11) but here are those and some more links by Microsoft with explanations.

Passkeys Authentication Across Platforms - How Passkeys Registration and Authentication Work Across Devices and Platforms

Quote

To combat such risks, phishing-resistant Passwordless authentication methods, including enhanced support for Microsoft Authenticator, have become critical.

Just for the record...Microsoft has long been a proponent of passwordless authentication for years so this is nothing new. Other industries have been moving in that direction too. .

In a nutshell...Passkeys are stored as secrets locally on a device and use a device's unlock mechanism such as Windows Hello biometrics (fingerprint or facial recognition) or PIN sign-In options to authenticate them before signing in. Passkeys can be used without the need for other sign-in challenges, making the authentication process faster and more convenient. A passkey is invisible, virtual and employ public-key cryptography (keypair concept: a private key and a public key). The passkey is purposely hidden from access inside the TPM (Trusted Platform Module).
 
TPM chip is an embedded crypto-processor in laptops and is designed to provide hardware-based, security-related functions (carry out cryptographic operations. The TPM is isolated from the main processor and functions as a vault (a lockbox for keys) so in the event of malware attack or breach, sensitive user data remains secure.

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  1. Anonymous
    2025-06-15T08:36:46+00:00

    Interesting. I find almost no discussion at all on the Internet of this Registry value. Any negative side-effects (like, Windows Hello breaks and Microsoft accounts on Windows 11 logins fail) from setting this key?

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  2. Anonymous
    2025-06-13T06:30:30+00:00

    You are indeed right that it only applies to S mode, but that's is because Microsoft locks the whole computer down, which is unacceptable, not because they made any architectural improvements.

    It's supposed to lock the applications down until the user specified otherwise, not the user itself!

    Asking for permission to use the camera should happen at device driver level, not appx level. Applications should have their file system sandboxed. Local/LocalLow/Roaming is good, but the system needs to ask if the application tries to read or write outside its own folder or those folders.

    The system should ask if i am application can write files in system folders or the registry. Regedit and Explorer get a carte blanche.

    Applications need to be able to specify to the OS that you should not be allowed to debug it or read its memory.

    Applications should be able to specify that their window cannot be recorded, and again this happens at display server level so no applications can. They just get s as black box instead. You already have it for DRM, why can't an EXE ask for this?

    And applications need to **** of the kernel, period. Especially anticheat. Popping up saying it needs to be an administration isn't enough. It needs to pop up saying "this application wants to install a driver to get full access to all memory in your system, are you okay with this?"

    Both Apple and flatpak has proven this can be done with any binary. Get to work.

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  3. Rob Koch 26,160 Reputation points Volunteer Moderator
    2025-06-12T22:16:47+00:00

    Actually Ishayu, that only pertains to Widows Classic Mode, which is what Microsoft calls the horribly insecure version that most people still choose to use.

    Though Microsoft created the S Mode option primarily for consumers and younger users like students while initially designing Windows 10 from the Windows Core portions that would be required for all physical device platforms, few choose to use this far more secure version primarily due to the fact that some Windows developers were either lazy (or dead) and wouldn't update their existing apps for this more secure platform.

    I've been using a Windows 10 in S Mode device since about a year after Microsoft released it with none of the issues you mention, but unfortunately, the creation of Windows 11 apparently made Microsoft feel that S Mode is less important, since they stopped selling it for anything other than Windows Home and don't appear to try and push the manufacturers to use it, since even their own Surface devices don't typically come with it enabled anymore.

    Though the Windows 11 kernel is better protected than in the past, it's likely still possible to socially engineer a consumer into allowing malware to bypass the built-in protections, which is why I mentioned that particular caveat. However, even with Windows 10, S mode is so secure that unless I choose to exit S Mode, which since that requires Administrator access can't be done by a lower privileged account, that creates a similar situation to those other products you mentioned.

    I should also mention that Microsoft has been testing 'Adminless' operation for Windows 11, but though that should remove the requirement that Windows accounts have an Administrator account by default, the unfortunate truth is that it still requires the user to make a decision, which is really the flaw as you inferred, since computers have become far too complex for all but the most technically knowledgeable to manage.

    S Mode removed this issue, since it not only didn't allow full access to the operating system, but the vulnerable components it removed like most of Win32, shell access, scripting outside of the browser and the use of developer tools like RegEdit and others, left almost no access for traditional malware other than browser popups to gain a foothold. I suspect we'll eventually see something close to S Mode for all but maybe some developers, but for now we'll need to suffer through with the existing Windows 11 virtualization protections and hopefully soon the Adminless ability, which though it still allows some level of social engineering, should be enough to protect most users with even a bit of common sense.

    Rob

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