Windows Small Business Server 2008 Update Rollup 4 is now available on Microsoft Update and WSUS. This rollup package addresses the following issues in Windows Small Business Server 2008. How to obtain this update: This update will be downloaded and automatically approved for installation via WSUS on SBS 2008 provided that KB 91048 has been previously installed. Otherwise it’ll require manual approval in the SBS Console. This update is also available from Microsoft Update Web site. This update is also available for direct download from Microsoft Update Catalog Web site.