WSUS 3.0 SP2 delivers important customer-requested management, stability, and performance improvements. Some of the features and improvements include the following:
Integration with Windows Server 2008 R2.
Support for the BranchCache feature in Windows Server 2008 R2.
Support for Windows 7 and Windows Server 2008 R2 clients.
Compliance Report Windows Update Agent (WUA) offers a collection of performance enhancements, user experience improvements, and bug fixes software updates.
WSUS 3.0 SP2 can be installed alone, or as an upgrade of WSUS 3.0 SP1.