Validating a Cluster with Zero Downtime

Hi Cluster Fans, As you may already know, the requirements for having a supported cluster have been significantly simplified since the release of Windows Server 2008.  There is no longer a need to have every component in the configuration listed in the Windows Server catalog as any commodity hardware should now support clustering.  However it… Read more

Cluster Validation: Missing hotfixes display only the GUID

Hi Cluster fans,   [1/13/2010] UPDATE: This issue has been fixed in Windows Server 2008 R2.  All Hotfixes should now correctly return the KB number.  If you still see this issue on a 2008 R2 cluster, please let us know by clicking the ‘Email’ link in the upper right of the blog and share the… Read more

Cluster Validate Error for Duplicate IP Addresses? Teredo may be the Culprit!

Hi Cluster Fans,   We’ve been seeing an increasing number of questions about a specific error in Windows Server 2008 Failover Clustering using the ‘Validate a Configuration’ Wizard (‘Validate’).  This error is fairly common and very easy to fix and I’m going to show you how.  But first, a little background…   Validate is our… Read more

What’s new in Failover Clustering in 2008? . . . What isn’t new!

Now that Failover Clustering deployments on Windows Server 2008 are growing, and our customers are spreading the word about how easy it is, we’re getting an increasing number of questions about “what’s new in 2008?”   The short answer is – pretty much everything!  We’ve enhanced virtually every component and tried to simplify unnecessary details,… Read more