IRM will be performing routine systems maintenance which includes but is not limited to rebooting Windows servers as deemed necessary, installing critical patches and other health checks on Thursday, 12/08/2011 from 3:00 AM to 7:00 AM during IRM maintenance window. In addition, the following systems will be specifically impacted: When: 3:00 AM – 5:00 AM Affected Service: Blackboard Affected Systems: Bba1, Bba3, Bba5, Bbm1 Description of Maintenance: We will be moving these systems to different virtual machine hosts, to facility the creation of a Hyper-V cluster. Service Interruption: Yes brief interruptions of service are expected for Blackboard

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