Summary
When a Windows PIN expires, users will receive a message saying "Your organization requires that you change your PIN" during login.
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Additionally, Windows 10 users will see a warning that they are using an expired build and UAC (User Access Control) warnings.
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To enable the PIN Expiration feature, users must create a 32-Bit DWORD value in the Registry Editor and set it to a desired value in decimals.
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Alternatively, Windows 10 Pro, Enterprise, or Education edition users can use the Local Group Policy Editor to configure the options mentioned above with a GUI.
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