You can change the MAC address assigned to a virtual machine in a vApp. VCloud Director assigns a MAC address to all deployed vApps and virtual machines. Perform a ny modifications to assigned MAC addresses through the vCloud Director portal, API, or tools that use the API.
Hi all,
I'm trying to come up with an easy way of achieving the following:
My team has stood up a vCenter server and created a number of virtual machines on it. We have since found out the vCenter ID used on this server is the same as an existing one, thus possibly creating MAC address conflicts. We have changed the ID on the vCenter server and new virtual machines are created with MAC addresses in a new range. I'm trying to re-generate the MAC addresses for the existing VMs (about 200). Using PowerCLI, I'm able to manually set a MAC address, but when I switch it back to assigned, it does not generate a new MAC (the manually set one remains). The code I'm using is below:
foreach ($vm in $vmlist)
{
# set manual MAC
$adapter = Get-NetworkAdapter -vm $vm
$dapter.ExtensionData.AddressType = 'Manual'
$adapter.ExtensionData.MacAddress = '00:50:56:1a:ff:ff'
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Set-NetworkAdapter $adapter -Confirm:$false
# Set Autogenerated MAC
$adapter = Get-NetworkAdapter -vm $vm
$adapter.ExtensionData.AddressType = 'Assigned'
Set-NetworkAdapter $adapter -Confirm:$false How to manual scale mac in vmware pro.
![Vmware Vmware](/uploads/1/2/4/7/124735346/635841384.jpg)
Generate Mac Address
}
Mac Address Example
The vCenter server is running 5.5 and PowerCLI verison is 5.5 Release 1. At the moment, I'm only testing the code against one virtual machine which is powered off. Thanks.