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dre_hall
Contributor
Contributor

ESXi MAC Address Change Policy causes vCenter to Stop Functioning

Hello All,

In my network I am required to implement certain security controls, most of which cause no issues, but I am running into one that breaks vCenter.

Under the networking options under each port group there is an option to reject or accept 'MAC Address Changes' which we are required to set to reject.

This does not affect any of the VMs under that network except for vCenter running on that vswitch. Once the setting is set to reject we lose all connection to the vCenter server.

Is this a common issue and what is the resolution to set the setting to reject but still have vCenter work.

Some background on the network:

The ESXi host is running v 6.0.0 Patch 3

The vCenter vm running on this host is 6.5

This vCenter on this host does not manage this host, it controls a separate development cluster where we are testing ESXi 6.7.

Thanks.

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