You can assign static MAC addresses to the virtual NIC of a powered off virtual machine by using the vSphere Web Client.
Procedure
- Locate the virtual machine in the vSphere Web Client.
- Select a data center, folder, cluster, resource pool, or host and click the VMs tab.
- Click Virtual Machines and double-click the virtual machine from the list.
- Power off the virtual machine.
- On the Configure tab of the virtual machine, expand Settings and select VM Hardware.
- Click Edit and select the Virtual Hardware tab in the dialog box displaying the settings.
- In the Virtual Hardware tab, expand the network adapter section.
- Under MAC Address, select Manual from the drop-down menu.
- Type the static MAC address, and click OK.
- Power on the virtual machine.