Applies to:
Windows Server 2012 R2 RTM

Note:  You should check for the latest version of the different files.
Note 2:  These are not available in Windows Update.
Note 3:  You can download them without entering your e-mail address and captcha if you are a Microsoft Premier customer and have a account.
Note 4:  Carefully review the list and decide which might be applicable to your unique environment.
Note 5:  Test in your test and your quality assurance environment.

Originally published Feb. 2014.   Updated Feb. 2014.



Official list from our Failover Cluster Product Group, Supportability Program Managers and Global Business Support (GBS, used to be known as CTS and before that EPS):
2920151 Recommended hotfixes and updates for Windows Server 2012 R2-based failover clusters



List of Failover Cluster related hotfixes post RTM for Windows Server 2012 R2 RTM as of Feb. 2014:

2908806 SQL Server Management Studio crashes when you try to start a New Query window in Windows 8.1
Winspool.drv  6.3.9600.16457
Winspool.drv  6.3.9600.16457 

2897999 Deadlock condition occurs when you enable the data deduplication feature on a CSV volume in Windows Server 2012 R2

Dedup.sys  6.3.9600.16425 

2894464 Error message when you try to schedule a shadow copy task in Windows Server 2012 R2 or in Windows Server 2012

Clusres.dll  6.2.9200.16727
Clusres.dll  6.2.9200.20838
Clusapi.dll  6.2.9200.16726
Resutils.dll  6.2.9200.16727
Clusapi.dll  6.2.9200.20836
Resutils.dll  6.2.9200.20838 

2854082 Update enables SQL Server Availability Group Listeners on Windows Server 2008 R2 and Windows Server 2012-based Windows Azure virtual machines

Clusres.dll  6.2.9200.20733

2894032 Clustered virtual machine cannot access LUNs over a Synthetic Fibre Channel after you perform live migration on Windows Server 2012 or Windows Server 2012 R2-based Hyper-V hosts

Synthfcvdev.dll  6.2.9200.16729
Synthfcvdev.dll  6.2.9200.20840 

2876391 "0x0000009E" Stop error on cluster nodes in a Windows Server-based multi-node failover cluster environment

Mpio.sys  6.2.9200.16726
Mpio.sys  6.2.9200.20836 

2871085 I/O failures occur when you create a snapshot for a large volume in Windows Server 2012 or Windows Server 2008 R2 SP1

Volsnap.sys  6.2.9200.16678
Volsnap.sys  6.2.9200.20786