This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Addresses an issue in which all guest virtual machines running Unicast NLB fail to respond to NLB requests after the virtual machines restart.
- Security updates to Windows Media Player, Microsoft Graphics Component, Windows Storage and Filesystems, and the Microsoft JET Database Engine.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.