Work was in preparation for a new UPS system in the machine room. This involved moving some circuits on systems that have redundant power. There were not expected to be any outages at this time.
UPDATE
[2011-02-24 16:08:42 | Jon Kuroda]
All services affected by this outage have been restored.
If you continue to experience problems with these or other services, please contact the EECS Helpdesk at help@eecs or x2-7777
Resolved as of 2011-02-24 16:07:00