A minha Lista de updates recomendados para ambientes de Cluster:

 

1:

Para clusters de Windows 2000 SP4,

Update Rollup 1 for Windows 2000 SP4 and known issues

https://support.microsoft.com/default.aspx?scid=kb;en-us;891861

Fixes that are included in the Update Rollup 1 for Microsoft Windows 2000 Service Pack 4 that is dated June 28, 2005

https://support.microsoft.com/kb/900345/

Update rollup for Windows 2000 Service Pack 4-based server clusters

https://support.microsoft.com/kb/885912/en-us

2:

Para clusters de Windows 2003,

Recommended hotfixes for Windows Server 2003-based server clusters

https://support.microsoft.com/default.aspx?scid=kb;en-us;895092

3:

Para clusters de Windows 2003 SP1,

Recommended hotfixes for Windows Server 2003 Service Pack 1-based server clusters

https://support.microsoft.com/kb/923830/

4:

Para clusters de Windows 2003 SP2,

Recommended hotfixes for Windows Server 2003 Service Pack 2-based server clusters

https://support.microsoft.com/kb/935640/

5:

Para clusters de Windows 2008,

Recommended hotfixes for Windows Server 2008-based server clusters

https://support.microsoft.com/default.aspx?scid=kb;EN-US;957311

6:

Para clusters de Windows 2008 SP2:

Occasional crashes of Vmwp.exe 

https://support.microsoft.com/kb/972045/en-us

The volume GUID may unexpectedly change after a volume is extended on a Windows Server 2008 failover cluster node https://support.microsoft.com/default.aspx?scid=kb;EN-US;970529 ,

A Hyper-V differencing disk that you create in Windows Server 2008 R2 cannot be used in Windows Server 2008. https://support.microsoft.com/kb/971677/en-us