The Blackboard server will be unavailable starting at midnight, Monday, 17 May. During this time, OIS staff will upgrade the existing server from Blackboard version 5.5.1 to version 6.1. Three days have been reserved for the upgrade process: 17, 18, and 19 May. Blackboard services will be restored by midnight, 20 May, but may be restored sooner. Check the OIS maintenance site for details during the upgrade window.