Symptoms
Consider the following scenario:
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You have multiple nodes that are running on a Windows Server 2012 R2-based cluster.
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You add multiple disks to the cluster.
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You try to add, rename, or remove these disks repeatedly.
In this scenario, the cluster freezes on multiple nodes.
Resolution
To resolve this issue, install update rollup 2975719. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
