An infrastructure update has been planned for Windows Update client. The gradual roll-out of this update will begin in late July. This update will occur automatically to any system configured to either receive updates "automatically" or "notify" customers that new updates are available for download.
For enterprise customers who use Windows Server Update Services or Systems Management Server, all updating, including the WU client, is controlled by the network administrators, who have authority over the download and install experience. Windows Vista customers who select "never check for updates" in their WU settings will not receive this update until they manually install updates from Windows Update.
In this particular update, there will not make any changes to the way WU looks or feels, instead the following have been improved:
- The length of time it takes Windows Update to scan for updates
- The speed in which signature updates will be delivered
Detailed information on this is posted on the Microsoft Update blog.