Hello -
The Windows Intune service will undergoing a brief maintenance window that will require 30 minutes of downtime. During this downtime window, you will be unable to access the Windows Intune Administration Console.
Maintenance window is scheduled for: (UTC) 6/11/2013 9:00:00 PM - 6/11/2013 9:30:00 PM. You can also find this information on our Service Status Page at http://status.manage.microsoft.com
Thanks,
The Windows Intune Team