Today Microsoft announced that Windows Server 2008 R2, SQL Server 2008 R2 and Visual Studio 2010 will be last releases of our products with support for Intel Itanium Processors.

http://blogs.technet.com/windowsserver/archive/2010/04/02/windows-server-2008-r2-to-phase-out-itanium.aspx

Support  for shipped products continue as per the Microsoft Support Lifecycle Policy