This Friday (02/18/12) beginning at 07:00 Eastern (-5 GMT) [Saturday, 23:00 NSW] we will be upgrading the Exchange 2010 cluster Matilda to SP2. Clients should expect to see minimal downtime as services are restarted. Maintenance is expected to last one hour.
Update 2/17/12 6:50 AM Eastern: We are preparing the server for installation of SP2. We are expecting to begin the installation around 7:30 AM.
Update 2/17/12 7:30 AM Eastern: We are beginning the installation of SP2 on matilda.
Update 2/18/12 8:55 AM Eastern: SP2 installation has completed. We are testing services to verify a successful installation.
Update 9:07 AM Eastern: The installation was successfully verified.