RESOLVED. We were notified by Learn@UW that access to attachments in the Dropbox, Locker and Discussions areas of D2L was unavailable from 3:30 AM (CST) to 7:00 AM (CST) on Wednesday, January 16th, 2013. At this time all services are online and available.
If you have any questions or concerns regarding this issue, please contact UW-W D2L Support.