vmx file, and miraculously the system at boot time assigned the previous desired address, and the problem was thus solved out of mere coincidence, at 2am. We couldn't force the VM to use the previous MAC address through the "edit VM settings" page, because it was outside the allowed range for manually entered addresses.Īn associate at some point made a syntactic error in the. The host was inaccassible via Ethernet, we had to use the console to work on it.In the following example, we are changing the standard policy, and changing the Allow MAC Address Change from the default value of true to false. ethernet n.generatedAddress ethernet n.addressType ethernet n. You can also change network policy settings for security policy, or traffic policy, or failover policies from the command line using esxcli command as shown below.
The MAC address changes if you remove or change any of these options in the virtual machine configuration (. Linux (Suse) had an eth1 interface, in place of the previous eth0 Moving the file to a different host system, or even moving it to a different location on the same host system, changes the MAC address.
VMWARE MAC ADDRESS CHANGES MANUAL
I didn't do any manual work, I just used the GUI, it worked nicely and fast, but when I booted the migrated VM, the nightmare started, as this is a production system:
I find some of the answers quite bizzare, because just yesterday, on an ESX 4.0 system, using the Vcenter GUI client, I migrated a VM to a new datastore withing the same ESX host, and the MAC address changed and completely messed me up, because a licensed product that relies on the MAC address stopped working (obviously).
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