vSphere HA agent on this host could not reach isolation address: 192.168.1.1
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One of our ESX hosts just started throwing the error message, "vSphere HA agent on this host could not reach isolation address: 192.168.1.1" Our network went down and then back up in a few minutes. It's happened a couple of times and I don't want to just ignore it. Is there a way to verify that the isolation address has indeed been configured correctly and that the host is functioning correctly.
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Tagging @JohnWhite @StorageNinja @NetworkNerd
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What versions of vCenter and vSphere are you running?
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My initial thought was try re-configuring HA on the host.
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It seemed like someone on the VMware forums had a similar issue, yet it wasn't resolved. https://communities.vmware.com/thread/574921 I can just suggest the most common solution of "reconfigure it and see if that helps".