WORKAROUND
An AD administrator can "Reset Password" on the account and the user will be able to logon.
STATUS
Issue fixed in version 5.7.0.4348 of Defender Desktop Login. The latest version of Defender Desktop Login can be downloaded here https://support.quest.com/kb/SOL125690
003013 - Resolved an issue where a user was unable to change their AD Password on Windows 7 when it had expired as a result of a Group Policy setting