Virtual Server Hosting will be upgrading vCenter to it's latest version.
During the upgrade users will not be able to create or edit new VMs through Clockworks and there will be no direct console access. The VMs will continue to run as normal during the maintenance window.
If you have any questions about the maintenance or if you experience an unexpected service impact please contact the OIT Service Desk:
http://oit.duke.edu/help/index.php