12:10 am (BST) = Testing is mostly completed. Final monitoring checks are wrapping up. Notice of maintenance completion will go out shortly.
12:01 am (BST) = Maintenance work is progressing according to plan with a major milestone reached ahead of schedule.
11:00 pm (BST) = Maintenance work is progressing according to plan.
10:00 pm (BST) = Maintenance work has begun. Servers are remaining online, though inaccessible, as network changes are made.
Scheduled maintenance at UK Data Centre. In addition to the SDSC Alert and FAQ, the affected Points of Contact (PoCs) were sent several advance notices by e-mail.