Dear Customer,
The Exchange Server datacentre will be performing maintenance on some of the fiber connections in the Exchange Cloud data center. We do not expect any down time during this maintenance, however at certain points during the maintenance some of the redundant server nodes may be off-line preventing our ability to fail over in the event of an emergency.
Start: Saturday, February 10, 2013 3PM SGT
End: Saturday, February 10, 2013 7PM SGT
Expected Downtime: 0 Minutes
Regards
Hosted Exchange Team