Update replacement information
This update is a cumulative update that includes the security updates and the non-security updates for Windows 8.1 and Windows Server 2012 R2 that were released before March, 2014.
Known issues
- If you receive error 0x80071a91 when you install update 2919355, install update 2939087. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2939087 Error 0x80071a91 when installing update 2919355 in Windows
- To fix an issue with the Internet Explorer Enterprise Mode feature that occurs after the update is installed, go to the following Microsoft website:
2956283 Internet Explorer 11 crashes when you turn on or turn off the Enterprise Mode feature
- 2959977 Windows Update Client SSL issue for Windows Server Update Services
- After the update is installed, you cannot uninstall Web Server (IIS) roles on Windows Server 2012 R2. To resolve the issue, visit the following KB article:
2957390 You are unable to uninstall IIS after you install KB2919355 in Windows 8.1 or Windows Server 2012 R2
Prerequisites
To apply this update, you must be running Windows 8.1, Windows Server 2012 R2, or Windows RT 8.1. Additionally, you must have the following update installed:
2919442 A servicing stack update is available for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2: March 2014