According to Windows Server Blog and Windows Team Blog, yesterday at Microsoft’ annual Worldwide Partner Conference in Tornoto, Microsoft announced that Windows Server 2012 will be released to manufacturing in the first week of August then the product will be generally available to customer worldwide in September.
Same fate for Windows 8 that will be released in RTM (Release to Manufacturing) and made available for enterprise customers with Software Assurance benefits, the first week of August.
Windows 8 general availability is still planned for the end of October.