Gets the most recent date and time that the membership user was locked out.
Assembly: System.Web.ApplicationServices (in System.Web.ApplicationServices.dll)
Users can also be locked out if you use the GetPassword or ResetPassword overload that accepts a password answer and the number of bad answers entered by the user reaches the Membership.MaxInvalidPasswordAttempts within the Membership.PasswordAttemptWindow.
The default value for the property is determined by the membership provider. For example, when a membership user is created using the SqlMembershipProvider provider, the property for the user is initially set to 01/01/1754.