An error occurred during configuration of the HA Agent on the host.

VMware HA Troubleshooting:

Error Messages:

An error occurred during configuration of the HA Agent on the host.

Configuration Issues:

Insufficient resources to satisfy HA failover level on cluster [clustername] in [datacenter]
Unable to contact a primary HA agent in cluster [clustername] in [datacenter]

HA Logs are located in:

/var/log/vmware/aam

In my scenario I wasn’t able to add the ESX host to a new HA cluster. I performed the following command:

less aam_config_util_addnote.log

From here I combed through the log and was able to find that an HA requirement is being able to ping the gateway. This VMware cluster was in a DMZ type environment, so I was unable to do so.

After getting a firewall setting changed and verifying the gateway can ping, I could then configure my ESX host for HA.

Hope this might help someone.