The large deployment time has come for the first major upgrade of the Windows Vista operating system. A little over a month after its availability via download from Microsoft and its installation manual, SP1 with its security fixes and improvements integrates Automatic Update, or in other words, the mechanism for automatic installation by the Intermediate Windows Update.

The contributions of SP1 for Windows Vista are many, whether in terms of security especially with such as the ability to encrypt volumes other than volume system with Bitlocker, but also in terms of compatibility or performance-enhancing particularly sensitive to copying files.

To block the automatic update

However, some companies could demonstrate a desire to wait a little longer before applying SP1, nervousness oblige. Microsoft has thought about it and said that since October 2007, a tool is proposed to them. Windows Service Pack Blocker Toolkit makes it possible to block the deployment. The tool that provides an additional cooling-off period of 12 months, is also functional for Windows XP SP3 whose deployment automatic start this summer.