The University of Toronto will upgrade Blackboard to version 9.1 beginning at 12:01 a.m. on May 13th, 2011. The upgrade is scheduled to be completed not later than 11:59 p.m. on May 14th, 2011.
Please note that Blackboard will be unavailable for the entire duration of the upgrade period. If work is completed earlier then service will be restored accordingly.
Please visit the update site for more details: http://www.portalinfo.utoronto.ca/home.htm