Microsoft® SQL Server High Availability

High Availability from the Windows Server Family Side

To enhance system uptimes, there have also been numerous system architecture enhancements in Windows 2000 and 2003, such as improved memory management and driver verification, that directly reduce unplanned downtime. New file protection capabilities prevent new software installations from replacing essential system files and causing failures. Additionally, Windows device drivers and operating system files have been digitally signed by Microsoft to ensure their quality. A Microsoft digital signature is your assurance that a particular file has met a certain level of testing, and that the file has not been altered or overwritten by another program's version of the same device driver. Looking ...