This article describes an update for Windows 8.1 and Windows Server 2012 R2 that is dated November 2014. This update package includes performance and reliability improvements in the cluster, file server, storage spaces, Hyper V, and deduplication features for the Cloud Platform System Wave0 release.
We recommend that Cloud Platform System customers apply this update rollup as part of their regular maintenance routines.
The fix that resolves this problem is included in the November 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology that Microsoft uses to describe software updates.