VMWare ESXi change MAC Address of physical network adapter

This article explains how to change the MAC address of a physical network adapter on an VmWare ESXi 5.1 host.

1) Connect you with SSH to your ESXi Server

2) Open the file /etc/vmware/esx.conf
vi /etc/vmware/esx.conf

3) Search for your old MAC address and replace it with the new one. You can search in the VI editor by typing “/” without brackets.

4) Save your changes by typing :wq

5) Reboot

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