Fri 25 Dec 2009
Scheduled date and time: December 28, 2009 2:00AM ET / Maintenance Duration: up to 2 hours / System(s) Affected: All Exchange Services, SharePoint, OCS
Expected Impact: We will be performing infrastructure upgrades that require your server to be offline. All incoming mail will be queued until the maintenance is complete.
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Scheduled date and time: December 29, 2009 2:00AM EST / Scheduled Maintenance Duration: Approx. 15 Min / System(s) Affected: All Exchange Services
Expected Impact: We will be installing OS updates on your server that require a reboot. Incoming mail will be queued until the maintenance is complete.