Improvements and fixes
This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Security updates to Windows media, Windows Shell, Windows Hyper-V, Windows kernel, Windows datacenter networking, Windows virtualization and kernel, Microsoft JET Database Engine, Windows MSXML, and Windows Server.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Known issues in this update
|This update may fail to install with error 0x8000FFFF.||Before installing this update, install KB3177467, the last Servicing Stack Update for Windows 7 and Windows Server 2008 R2 SP1, to resolve this issue.|
|All Guest Virtual Machines running Unicast NLB fail to respond to NLB requests after the Virtual Machines restart.||This issue is resolved in KB4462915.|
|After installing this update, the Event Viewer may not show some event descriptions for network interface cards (NIC).|| |
This issue is resolved in KB4489878.