Esxi vSphere HA agent on this host could not reach isolation address alert

cwstad2
cwstad2 used Ask the Experts™
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Esxi vSphere HA agent on this host could not reach isolation address alert has shown, and vms are showing disconnected. we can connect to the vms but not ping the esxi host. weve started the management network but still the same issue.

Any ideas, many thanks.
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Commented:
Start checking network connections of the hosts.

for the warning to appear means the host cannot reach the default gateway.

So you need to get on the hosts at SSH prompt, or at the console, and start using ping.

Check all nics are up, also check if using teaming, and if teaming config is correct.

It would seem the host management network has failed.
Was a VLAN issue but thanks for your assistance

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