SQL Server with Mr. Denny

Jun 4 2009   11:00AM GMT

Use caution when using an image to setup servers which will be clustered.

Denny Cherry Denny Cherry Profile: Denny Cherry


A lesson that I learned while setting up our new data center for work, is to be careful when setting up your clustered servers.

Most of our servers are VMs, including a Windows 2008 Cluster (yeah I know not supported, I’m a rebel damn it and I want a Windows 2008 cluster installed under VMware ESX).

When I was setting up my VMware templates I decided to save myself a step and I added the fail over clustering support to the template, as all VMs which would be running Windows 2008 Enterprise would be clustered.  Apparently this causes a problem as when the fail over clustering is installed it creates a few network adapters which are hidden with unique MAC addresses.  However when you then deploy that template as a VM, the MAC address isn’t changed which then causes the validate wizard to fail as having unique MAC addresses is a requirement to create a cluster.


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