When VMware HA is enabled on a cluster the host show this message:
Could not reach isolation address: non specified
For fix this message follow steps below:
1.Log on to VMware vSphere Client and Select the ESXi host and click the Configuration tab and Click DNS and Routing under Software and then click Properties…:
2.The DNS and Routing Configuration dialog appears. Click the DNS Configuration tab and enter the DNS server details:
3.Click the Routing tab and enter the gateway details and click OK.
When you reconfigure VMware HA , the error message no longer displays.
