Why am I unable to use a Passkey activated and stored within the Dashlane password manager for Android?

Common causes and solutions for receiving a "Registration Failed" error:

You have already registered 3 passkeys (maximum limit)…

Yes, you can activate a Passkey via Windows Hello; however, that Passkey will only be stored on the computer where you performed the activation and you will be unable to use that Passkey to log in to IBKR platforms from other devices (e.g., a different computer, phone, or tablet). For this reason, along with the Windows Hello Passkey, we strongly recommend that you activate one or more Passkey of a different type (e.g., cloud-enabled mobile passkey, physical security key, cloud-synced password manager passkey) to ensure you can still access your account from other devices…

At present, Client Portal Gateway does not support the Passkey 2FA method. We are actively working to resolve this limitation and will update this FAQ once Passkey support has been added to Client Portal Gateway…

On Samsung smartphones, Passkeys activated and stored within Bitwarden for Android cannot be accessed by the 2FA authentication module, due to technical reasons outside our control. It appears that this issue began after the latest Android 16 update. We strongly recommend removing the Passkey from Bitwarden and reactivating it on the built-in password manager (Samsung Pass). …