Vmware Virtual Center HA cluster agent error

If you are running Vmware Virtual Center 2.5 and see the following error logs:

HA agent on HOSTNAME in cluster CLUSTERNAME in DOMAIN has an error : cmd addnode failed for primary node: unable to import /var/log/vmware/aam/aam_config_util.def

It means that you need to run “Reconfigure for HA” on every HA cluster starting with the other Hosts before you do it with a host with red-flag.

Many folks suggest removing the host from the HA cluster and then reconnecting, but I have done it many times by using Vmotion some machines to other hosts that are not so overloaded and then doing “Reconfigure for HA cluster”. Works like a charm.


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