Article ID: 2545685 - Last Review: April 30, 2012 - Revision: 5.0

Recommended hotfixes and updates for Windows Server 2008 R2 SP1 Failover Clusters

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SUMMARY

This article documents recommended hotfixes for Windows Server 2008 R2 SP1 Failover Clusters. Applying these fixes can improve the reliability of your high avialability solution.  

Note We recommend 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 using the procedures described in KB174799 (http://support.microsoft.com/kb/174799) . 

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 you review the original Microsoft Knowledge Base (KB) article that describes the fix. 
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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 hotfixes
  • To avoid false Storage Validation test errors or warnings in a Failover Cluster with greater than 2 nodes, we recommend you install the following fix:
2531907 (http://support.microsoft.com/kb/2531907) Validate SCSI Device Vital Product Data (VPD) test fails after you install Windows Server 2008 R2 SP1 
  • To avoid problems affecting cluster operation when the network is unreliable, we recommend that you install the following fixes:

2550886 (http://support.microsoft.com/kb/2550886) A transient communication failure causes a Windows Server 2008 R2 failover cluster to stop working

Note: This contains the additionally recommended fixes documented in 2552040 (http://support.microsoft.com/kb/2552040) and 2494162 (http://support.microsoft.com/kb/2494162)


2524478 (http://support.microsoft.com/kb/2524478) The network location profile changes from "Domain" to "Public" in Windows 7 or in Windows Server 2008 R2

  • To avoid slow performance of the cluster and possible system crashes, we recommend you install the following fix:
2520235 (http://support.microsoft.com/kb/2520235) "0x0000009E" Stop error when you add an extra storage disk to a failover cluster in Windows Server 2008 R2

Note: We recommend you install the following fixes, depending on the Failover Cluster configuration. You do not have to install these fixes if you are not running these resources in a Failover Cluster.
  • For Hyper-V Failover Clusters using Cluster Shared Volumes (CSV):
2494162 (http://support.microsoft.com/kb/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.

Note: You can find the latest list of hotfixes for Windows Server 2008 R2 Hyper-V configurations at http://technet.microsoft.com/en-us/library/ff394763(WS.10).aspx. (http://technet.microsoft.com/en-us/library/ff394763(WS.10).aspx)
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Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use (http://go.microsoft.com/fwlink/?LinkId=151500) for other considerations.
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APPLIES TO
  • Windows Server 2008 R2 Service Pack 1
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Keywords: 
KB2545685
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