It seems that the release of the next version of Microsoft Exchange will follow the release of Windows 7 and Windows Server 2008 R2.
Microsoft has announced a series of launce events for Exchange 2010, Windows 7 and Windows Server 2008 R2 all over USA.
The first event is by the end of September this year (September 24.) and Exchange 2010 is one of the products on this event.
As always here on IT-Pro Knowledge, we guess based on rumors. And the best guess for when we can get hold of the Exchange 2010 code, is some time early October
More updated Exchange 2010 news on IT-Pro Knowledge click here
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Rasmus & Joachim