Blackboard software requires a patch to fix a minor issue. Applying this patch is including Blackboard services restart, which will be performed on Monday 07/25 at 7:30 a.m. All users are advised to close the Blackboard session to prevent possible loss of work.
Expected time out of service is up to 30 minutes. Please check this blog for updates.
*** UPDATE ***
Volume of the maintenance work planned for Monday has increased and service outage may extend to up to 90 minutes. Sorry for the inconvenience.