Recently while setting up a new cluster on vSphere I had an issue with adding one of the hosts to the cluster. It would fail the HA configuration piece each time I would try. The host would join the cluster but HA would have a Red alarm for its failure. Nothing seemed to be wrong with the host, hardware or configuration. I would get the error listed below on each attempt.
cmd addnode failed for primary node: Internal AAM Error agent could not start
I found the following VMware KB article to help troubleshoot these types of errors. My issue ended up being an issue with the cluster that was created. I created a new cluster and moved my ESX Hosts and Virtual Machines over to it and the issue was gone. Before trying this route I had examined several of the options listed in the KB article.
About Brian
Brian is a Technical Architect for a VMware partner and owner of this website. He is active in the VMware community and is helps lead the Chicago VMUG group. This blog Virtualize Tips was started to document and remember things that I come across while working with tech.
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