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Article ID: 2545685 - Last Review: July 12, 2013 - Revision: 7.1


This article documents recommended hotfixes for Windows Server 2008 R2 Service Pack 1 (SP1) Failover Clusters. Applying these fixes can improve the reliability of your high availability solution.

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Note We recommend that you evaluate each fix to determine whether it applies to your environment. If you determine that Failover Clusters in your environment may be affected by the problem(s) that a fix addresses, install the fix on each cluster node by using the procedures that are described in Knowledge Base article 174799: Patching Windows Server Failover Clusters.

Use the information in the "More information" section to help you determine whether a particular fix applies to the cluster. Before you install a particular fix, we recommend that you review the original Microsoft Knowledge Base (KB) article that describes the fix.

More information

We recommend that you install one or more of the following Windows Server 2008 R2 post-SP1 hotfixes, depending on your environment.

General hotfixesInstall the following fix, depending on the Failover Cluster configuration.

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Note: You do not have to install this fix if you are not running these resources in a Failover Cluster.

For Hyper-V Failover Clusters using Cluster Shared Volumes (CSV), install the following:

2494162: The Cluster service stops unexpectedly on a Windows Server 2008 R2 failover cluster node when you perform multiple backup operations in parallel on a cluster shared volume

To see the latest list of hotfixes for Windows Server 2008 R2 Hyper-V configurations, see Hyper-V Update List for Windows Server 2008 R2.

Applies to
  • Windows Server 2008 R2 Service Pack 1
kbsmbportal KB2545685
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