This hotfix rollup contains 90 hotfixes that were released after the release of SP1 for Windows 7 and Windows Server 2008 R2.
The hotfix rollup includes the following improvements:
- Network load and the domain controller usage may be reduced. You may not notice any changes in performance until this update is installed on both client and server computers.
- Improves the Windows Management Instrumentation (WMI) components to reduce the CPU usage and to improve the repository verification performance
- Folder Redirection
- Offline Files and Folders (CSC)
- Improves the processing of Group Policies and Group Policy preferences
For more detail and download check out KB2775511