Microsoft says first Vista update in manufacturing

SEATTLE (Reuters) - Microsoft Corp (MSFT.O) said on Monday its first update to the Windows Vista operating system has been released for manufacturing.

In a presentation to investors, Microsoft Chief Executive Steve Ballmer said the company had also released to manufacturing the first major upgrade to its operating system for server computers, Windows Server 2008.

(Reporting by Daisuke Wakabayashi, editing by Gerald E. McCormick)