Remove the three lines that begin with the following from the configuration file: On a Linux host, a virtual machine created with an earlier VMware product may have a configuration file with a. vmx extension at the end of the filename. To assign the same, unique MAC address to any virtual machine manually, use a text editor to remove three lines from the configuration file and add one line. If you want to guarantee that the same MAC address is assigned to a given virtual machine every time, even if the virtual machine is moved, or if you want to guarantee a unique MAC address for each virtual machine within a networked environment, you can assign the address manually instead of allowing VMware Workstation to assign it automatically. If you remove the adapter, then recreate it, the adapter may receive a different MAC address. Note: To preserve a virtual Ethernet adapter's MAC address, you also must be careful not to remove the adapter. In these options, is the number of the virtual Ethernet adapter, for example ethernet0. If you do edit the configuration file by hand, be sure not to remove or change the following options: If you never edit the configuration file by hand and do not remove the virtual Ethernet adapter, these settings remain untouched. You also need to be sure not to change certain settings in the virtual machine's configuration files. Moving it to a different host computer or even moving it to a different location on the same host computer changes the MAC address. To avoid changes in the MAC address automatically assigned to a virtual machine, you must not move the virtual machine's configuration file.
In addition, VMware Workstation does its best, but cannot guarantee, to automatically assign unique MAC addresses for virtual machines running on multiple host systems. In most cases, the virtual machine is assigned the same MAC address every time it is powered on, so long as the virtual machine is not moved (the path and filename for the virtual machine's configuration file must remain the same) and no changes are made to certain settings in the configuration file. The software guarantees that virtual machines are assigned unique MAC addresses within a given host system. A MAC address is the unique address assigned to each Ethernet network device. When a virtual machine is powered on, VMware Workstation automatically assigns each of its virtual network adapters an Ethernet MAC address. Maintaining and Changing the MAC Address of a Virtual Machine
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