Internal pdf file leaked to the net.
Launch dates for various Microsoft products including Windows 8, has leaked online.
The dates were leaked on the Internet by Chris Green who is an employee of Microsoft. Blog Microsoft Kitchen will have received this document, and put it on the blog with quotes from the document.
Furthermore, it should be noted that each page in pdf file contains the following statement:
This information is published as a guide, and much can probably contain errors.
The following products and release dates are included in the document:
Windows 8, 1 July 2011
Windows Server 2012, 2 July 2012
Office 2012, 2 July 2012
SQL Server 2011, 1 July 2011
SharePoint Server 2013, 1 July 2013
Exchange 2013, 1 July 2013
OCS 2010, 1 December 2010
This means that Microsoft probably go away in from their regular release interval of 3 years for new operating systems.
otherwise it should be mentioned that the RTM date for Windows 7 is right in the document. Windows 7 RTM was launched 22 July 2009, and there is only one day's difference in relation to the document from Chris Green.