How to remove “No Management Network Redundancy” warning on vSphere

Today while setting up my lab for vCloud, I noticed all my Esxi hosts were displaying a warning message

“This host currently has no management network redundancy”

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This is a very well known issue for hosts that are part of HA enabled cluster and has only one uplink configured for management network. In my Lab also I have the same configuration of having a single uplink.

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To disable this message from being displayed, edit the cluster settings, click on vSphere HA, then select the Advanced Settings button, click at the top to edit a row and enter the variable name das.ignoreRedundantNetWarning and enter the value true.  If you then turn off HA and back on again, the warnings will not display.

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After setting this value, right click on your Esxi host and select “Reconfigure for vSphere HA”. After this the warning message will disappear.

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