by Mary Jo Foley
August 26th, 2008 @ 12:28 pm

Microsoft is stepping up its war on software pirates by rolling out new Windows Genuine notification software for what it is calling its most pirated version of Windows: Windows XP Professional.

In an August 26 posting to the Windows Genuine Advantage blog, Director of Genuine Windows Alex Kochis said XP users should expect Microsoft to begin rolling out a new version of Windows Genuine Advantage (WGA) notifications starting this week. Microsoft is expecting the rollout to take several months.

The new WGA notifications, which Microsoft will deliver via Windows Update (and which already is available for download by individuals from the Microsoft Download Center), will behave like the WGA notifications introduced with Windows Vista Service Pack (SP) 1 back in December 2007. Specifically, users whose XP copies are deemed “non-Genuine” will see their screen backgrounds default to black and notice a translucent notice, warning them that their Windows might be counterfeit.

(Update: Microsoft officials noted that WGA for XP never did default to “reduced functionality mode,” a k a, the kill switch, which was part of Windows Vista when it first shipped. “Windows XP did not contain the reduced functionality mode commonly referred to as the ‘kill switch,’ and it still doesn’t,” a spokeswoman said. “The update simply reconfigures the notifications experience to mirror notifications in Windows Vista SP1.”)