Server 2012 R2 update rollup: May 2014

Microsoft has released new rollup for Server 2012 R2. This update resolves plenty issues and bugs:

  • 2958293 Cluster service stops unexpectedly on Windows 8.1 or Windows Server 2012 R2
  • 2958264 The virtual machine freezes in “Turning Off” state during live migration in Windows 8.1 or Windows Server 2012 R2
  • 2957625 Cluster shared volumes (CSV) are stuck when you stop a cluster service in Windows Server 2012 R2
  • 2908783 Data corruption occurs on iSCSI LUNs in Windows
  • 2957018 VMMS.exe process crashes after restart on a Windows 8.1 or Windows Server 2012 R2-based Hyper-V cluster
  • 2955628 Nodes are broken in cluster RHS upon file backchannel invalidation in Windows Server 2012 R2
  • ………….

The main prerequisite: installed 2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014.

More information: KB2955164

Highly recommended to apply.

IMPORTANT: this update changes QFE level from 6.3.163xx to 6.3.17xxx . It may affect the Microsoft DSM version and your cluster validation results. If you receive “QFE Number is not the same on every nodes.” , you have to check updates or see my article 

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