• Vm Manual Mac Address
• Vmware Mac Address Change
• Vm Manual Mac Address Windows 10
• Vm For Mac Free
• Esxi Mac Address

I am having a MAC address conflict on one of my virtual machines, or I need to set the MAC address for one of my virtual network adapters manually. Why and how would I do this?

In such a case, when we move the VM to another Hyper-V host, it must keep the same MAC address. Otherwise, if it had a dynamic address then it would get a new one. Let’s see how we set a static MAC address to a VM in Hyper-V. As always, this can be done either through Hyper-V Manager or PowerShell. Set static MAC address using Hyper-V Manager. Why is Virtualization Useful? The techniques and features that Oracle VM VirtualBox provides are. If you import a VM into vCloud Director, the MAC Address will be changed on each NIC Card. This is to bring it into alignment with what vCloud Director uses for a specific formula. There is no override option like vCenter to dictate a specific MAC Address.

Note: This process detailed in this article applies to ESX 2.5 and earlier. For information on MAC address generation in later versions, see:

• ESX/ESXi 3.x: The Setting Up MAC Addresses section of the ESX Server 3 Configuration Guide.
• ESX/ESXi 4.x: The MAC Addresses section of the ESXi 4.x Server Configuration guide.
• ESXi 5.x: The MAC Address Management section of the vSphere 5 Networking Guide.
• ESXi 6.0: The MAC Address Management section of the vSphere 6 Networking Guide.

Summary

Vm Manual Mac Address

OUIs registered by Oracle corp

There are 15 OUI registered by Oracle corp:

Only some of them are used for the Virtual Machines.

Detection Rule 1

Affects products: Oracle VirtualBox

Signature: OUI is 08:00:27

Details

Once new VM has been created with the VirtualBox GUI, it has a MAC address with OUI prefix set automatically. When the administrator presses 'refresh' button, the last 3 octets are changed, but the prefix remains.

Vmware Mac Address Change

However, it's possible to set a custom MAC with any prefix.

Example MACs generated

• 08:00:27:3F:FE:0F
• 08:00:27:78:8D:0D
• 08:00:27:BB:05:3F
• 08:00:27:FD:B6:EF

References

Tested on

• VirtualBox 5.1.26

Detection Rule 2

Affects products: Oracle VirtualBox / Vagrant

Vm Manual Mac Address Windows 10

Signature: Prefix is 52:54:00, or Prefix is 52:54:00:C9:C7:04

Details

Once a new VM has been created with the Vagrant, it sometimes has a MAC address with prefix 52:54:00. Some virtual machines have the same MAC: 52:54:00:C9:C7:04.

Example MACs generated

Vm For Mac Free

• 52:54:00:CA:E4:8B
• 52:54:00:C9:C7:04

Tested on

• VirtualBox 5.1.26

Detection Rule 3

Affects products: Oracle VirtualBox 3.3

Signature: OUI is 00:21:F6

Details

Oracle wrote in their blog that they used OUI 00:21:F6 for virtual machines. This VirtualBox version isn't supported anymore.

References

Detection Rule 4

Affects products: Oracle VM Server for SPARC

Signature: OUI is 00:14:4F

Details

Domains have been assigned the following block of 512K MAC addresses:

• 00:14:4F:F8:00:00 ~ 00:14:4F:FF:FF:FF

The lower 256K addresses are used by the Logical Domains Manager for automatic MAC address allocation, and you cannot manually request an address in this range:

• 00:14:4F:F8:00:00 - 00:14:4F:FB:FF:FF

You can use the upper half of this range for manual MAC address allocation:

Esxi Mac Address

• 00:14:4F:FC:00:00 - 00:14:4F:FF:FF:FF

References

Detection Rule 5

Affects products: Oracle Virtual Iron 4

Signature: OUI is 00:0F:4B

References

Virtual Machine’s MAC ranges