Monday, September 27, 2010

Issues Configuring VMware ESX HA

I got the following error when attempting to add my ESX hosts to a vCenter Cluster: "Cannot complete the configuration of the HA agent on the host. Misconfiguration in the host network setup." This was caused because I don't have a default gateway since it is a small test environment. It appears that you have to be able to ping your default gateway to enable HA. For my test environment I now have a VM that is a guest under my test ESX host that is on the DG IP. Problem solved.

Side note: If you have a VMware ESX cluster and one of the nodes fails and your default gateway is unavailable your HA will fail...

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