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When you set the policy to zero, there is no password expiration warning when the user logs on.When their password expiration date is five or fewer days away, users will see a dialog box each time that they log on to the domain. Set Interactive logon: Prompt user to change password before expiration to five days.Users need warning that their password is going to expire, or they might get locked out of the system. Configure user passwords to expire periodically.A user-defined number of days from 0 through 999.This warning gives users time to select a strong password before their current password expires to avoid losing system access. This policy setting determines when users are warned that their passwords are about to expire. This article describes the best practices, location, values, policy management, and security considerations for the Interactive logon: Prompt user to change password before expiration security policy setting.
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