Allow time invalid certificates

This policy setting permits those certificates to be displayed for logon that are either expired or not yet valid. Under previous versions of Microsoft Windows certificates were required to contain a valid time and not be expired. The certificate must still be accepted by the domain controller in order to be used. This setting only controls the displaying of the certificate on the client machine. If you enable this policy setting certificates will be listed on the logon screen regardless of whether they have an invalid time or their time validity has expired. If you disable or do not configure this policy setting certificates which are expired or not yet valid will not be listed on the logon screen.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> SOFTWARE -> Policies -> Microsoft -> Windows -> SmartCardCredentialProvider # AllowTimeInvalidCertificates

  2. The Administrative Template path is:

    Windows Components -> Smart Card


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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